How to fix "docker: Error response from daemon: cgroups: cannot find cgroup mount destination: unknown." on `docker run`?

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I found a solution in this Docker issue: cgroups: cannot found cgroup mount destination

This is the temp fix:

sudo mkdir /sys/fs/cgroup/systemd
sudo mount -t cgroup -o none,name=systemd cgroup /sys/fs/cgroup/systemd
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N0rbert
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N0rbert

Updated on September 18, 2022

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  • N0rbert
    N0rbert over 1 year

    I have Ubuntu 16.04.6 LTS installed.

    Previously I have installed Docker from its repository as docker.io package.

    Yesterday I have installed LXC with LXD and I suppose that they have some problem with coexistence with Docker.

    LXC works normally:

    $ lxc exec ubuntu-test -- su --login
    ubuntu-test ~ # 
    

    Now when I try to start docker container with docker run I get error:

    docker: Error response from daemon: cgroups: cannot find cgroup mount destination: unknown.
    

    How can I fix this problem with starting Docker containers?
    If it is possible please suggest a solution with Docker and LXC/LXD installed in the same time.


    Some debug info:

    $ mount | grep cgroup
    tmpfs on /sys/fs/cgroup type tmpfs (rw,mode=755)
    cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,release_agent=/lib/systemd/systemd-cgroups-agent,name=systemd)
    cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
    cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct)
    cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset,clone_children)
    cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls,net_prio)
    cgroup on /sys/fs/cgroup/memory type cgroup (rw,nosuid,nodev,noexec,relatime,memory)
    cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event,release_agent=/run/cgmanager/agents/cgm-release-agent.perf_event)
    cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids,release_agent=/run/cgmanager/agents/cgm-release-agent.pids)
    cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)
    cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)
    cgroup on /sys/fs/cgroup/hugetlb type cgroup (rw,nosuid,nodev,noexec,relatime,hugetlb,release_agent=/run/cgmanager/agents/cgm-release-agent.hugetlb)
    
    $ dpkg -l | grep -E "containerd|docker|lxc|lxd|cgroup"
    ii  cgmanager                                     0.39-2ubuntu5                                   amd64        Central cgroup manager daemon
    ii  cgroup-lite                                   1.11                                            all          Light-weight package to set up cgroups at system boot
    ii  containerd                                    1.2.6-0ubuntu1~16.04.3                          amd64        daemon to control runC
    ii  docker.io                                     18.09.7-0ubuntu1~16.04.5                        amd64        Linux container runtime
    ii  libcgmanager0:amd64                           0.39-2ubuntu5                                   amd64        Central cgroup manager daemon (client library)
    ii  liblxc1                                       2.0.11-0ubuntu1~16.04.3                         amd64        Linux Containers userspace tools (library)
    ii  libpam-cgfs                                   2.0.8-0ubuntu1~16.04.2                          amd64        PAM module for managing cgroups for LXC
    ii  lxc-common                                    2.0.11-0ubuntu1~16.04.3                         amd64        Linux Containers userspace tools (common tools)
    ii  lxc-templates                                 2.0.11-0ubuntu1~16.04.3                         amd64        Linux Containers userspace tools (templates)
    ii  lxc1                                          2.0.11-0ubuntu1~16.04.3                         amd64        Linux Containers userspace tools
    ii  lxcfs                                         2.0.8-0ubuntu1~16.04.2                          amd64        FUSE based filesystem for LXC
    ii  lxd                                           2.0.11-0ubuntu1~16.04.4                         amd64        Container hypervisor based on LXC - daemon
    ii  lxd-client                                    2.0.11-0ubuntu1~16.04.4                         amd64        Container hypervisor based on LXC - client
    ii  python3-lxc                                   2.0.11-0ubuntu1~16.04.3                         amd64        Linux Containers userspace tools (Python 3.x bindings)
    
    $ systemctl list-units --type service
      UNIT                                                      LOAD   ACTIVE     SUB     JOB   DESCRIPTION
      accounts-daemon.service                                   loaded active     running       Accounts Service
      acpid.service                                             loaded active     running       ACPI event daemon
      alsa-restore.service                                      loaded active     exited        Save/Restore Sound Card State
      apparmor.service                                               loaded active exited  LSB: AppArmor initialization
      apport.service                                            loaded active     exited        LSB: automatic crash report generation
      atd.service                                               loaded active     running       Deferred execution scheduler
      avahi-daemon.service                                      loaded active     running       Avahi mDNS/DNS-SD Stack
      avahi-dnsconfd.service                                    loaded active     running       Avahi DNS Configuration Daemon
      binfmt-support.service                                    loaded active     exited        Enable support for additional executable binary formats
      bluetooth.service                                         loaded active     running       Bluetooth service
      cgmanager.service                                         loaded active     running       Cgroup management daemon
      cgroupfs-mount.service                                    loaded active     exited        LSB: Set up cgroupfs mounts.
      click-system-hooks.service                                loaded active     exited        Run Click system-level hooks
      colord.service                                            loaded active     running       Manage, Install and Generate Color Profiles
      console-kit-daemon.service                                loaded active     running       Console Manager
      console-kit-log-system-start.service                      loaded active     exited        Console System Startup Logging
      console-setup.service                                     loaded active     exited        Set console font and keymap
      containerd.service                                        loaded active     running       containerd container runtime
      cpufrequtils.service                                      loaded active     exited        LSB: set CPUFreq kernel parameters
      cron.service                                              loaded active     running       Regular background program processing daemon
      cups-browsed.service                                      loaded active     running       Make remote CUPS printers available locally
      cups.service                                              loaded active     running       CUPS Scheduler
      dbus.service                                              loaded active     running       D-Bus System Message Bus
      docker.service                                            loaded inactive   dead    start Docker Application Container Engine
      ebtables.service                                          loaded active     exited        LSB: ebtables ruleset management
      [email protected]                                        loaded inactive   dead    start Getty on tty1
      gpm.service                                               loaded active     running       LSB: gpm sysv init script
      gpsd.service                                              loaded active     running       GPS (Global Positioning System) Daemon
      grub-common.service                                       loaded active     exited        LSB: Record successful boot for GRUB
      hddtemp.service                                           loaded inactive   dead    start LSB: disk temperature monitoring daemon
      iio-sensor-proxy.service                                  loaded active     running       IIO Sensor Proxy service
      inetd.service                                             loaded active     running       Internet superserver
      irqbalance.service                                        loaded active     running       LSB: daemon to balance interrupts for SMP systems
      keyboard-setup.service                                    loaded active     exited        Set console keymap
      kmod-static-nodes.service                                 loaded active     exited        Create list of required static device nodes for the curre
      libvirt-bin.service                                       loaded active     running       Virtualization daemon
      libvirt-guests.service                                    loaded active     exited        Suspend Active Libvirt Guests
      lightdm.service                                           loaded active     running       Light Display Manager
      lm-sensors.service                                        loaded active     exited        Initialize hardware monitoring sensors
      loadcpufreq.service                                       loaded active     exited        LSB: Load kernel modules needed to enable cpufreq scaling
      lvm2-lvmetad.service                                      loaded active     running       LVM2 metadata daemon
      lvm2-monitor.service                                      loaded active     exited        Monitoring of LVM2 mirrors, snapshots etc. using dmeventd
      lxc-net.service                                           loaded inactive   dead    start LXC network bridge setup
      lxc.service                                               loaded inactive   dead    start LXC Container Initialization and Autoboot Code
      lxcfs.service                                             loaded active     running       FUSE filesystem for LXC
      lxd-bridge.service                                        loaded active     exited        LXD - network bridge
      lxd-containers.service                                    loaded activating start   start LXD - container startup/shutdown
      lxd.service                                               loaded inactive   dead    start LXD - main daemon
      mdadm.service                                             loaded active     running       LSB: MD monitoring daemon
      ModemManager.service                                      loaded active     running       Modem Manager
      networking.service                                        loaded active     exited        Raise network interfaces
      NetworkManager-wait-online.service                        loaded activating start   start Network Manager Wait Online
      NetworkManager.service                                    loaded active     running       Network Manager
      nfs-config.service                                        loaded active     exited        Preprocess NFS configuration
      nmbd.service                                              loaded inactive   dead    start LSB: start Samba NetBIOS nameserver (nmbd)
      ntp.service                                               loaded inactive   dead    start LSB: Start NTP daemon
      ofono.service                                             loaded active     running       oFono Mobile telephony stack
      ondemand.service                                          loaded active     running       LSB: Set the CPU Frequency Scaling governor to "ondemand"
      openvpn.service                                           loaded active     exited        OpenVPN service
      osspd.service                                             loaded active     running       OSS Proxy Daemon
      plymouth-quit-wait.service                                loaded inactive   dead    start Hold until boot process finishes up
      polipo.service                                            loaded active     running       LSB: Start or stop the polipo web cache
      polkitd.service                                           loaded active     running       Authenticate and Authorize Users to Run Privileged Tasks
      postgresql.service                                        loaded active     exited        PostgreSQL RDBMS
      qemu-kvm.service                                          loaded active     exited        LSB: QEMU KVM module loading script
      rc-local.service                                          loaded inactive   dead    start /etc/rc.local Compatibility
      resolvconf.service                                        loaded active     exited        Nameserver information manager
      rsyslog.service                                           loaded active     running       System Logging Service
      rtkit-daemon.service                                      loaded active     running       RealtimeKit Scheduling Policy Service
      samba-ad-dc.service                                       loaded inactive   dead    start LSB: start Samba daemons for the AD DC
      schroot.service                                           loaded inactive   dead    start LSB: Recover schroot sessions.
      setvtrgb.service                                          loaded inactive   dead    start Set console scheme
      smartd.service                                            loaded active     running       Self Monitoring and Reporting Technology (SMART) Daemon
      smbd.service                                              loaded inactive   dead    start LSB: start Samba SMB/CIFS daemon (smbd)
      speech-dispatcher.service                                 loaded active     exited        LSB: Speech Dispatcher
      ssh.service                                               loaded active     running       OpenBSD Secure Shell server
      sysstat.service                                           loaded active     exited        LSB: Start/stop sysstat's sadc
      systemd-backlight@backlight:intel_backlight.service       loaded active     exited        Load/Save Screen Backlight Brightness of backlight:intel_
      systemd-backlight@leds:asus::kbd_backlight.service        loaded active     exited        Load/Save Screen Backlight Brightness of leds:asus::kbd_b
      systemd-fsck@dev-disk-by\x2duuid-1207\x2d4052.service     loaded active     exited        File System Check on /dev/disk/by-uuid/1207-4052
      systemd-fsck@dev-disk-by\x2duuid-4a44edd5\x2dd396\x2d443e\x2d9a6a\x2d41a81be97246.service loaded active     exited        File System Check on /dev/disk/by-uuid/4a44edd5-d396-443e
      systemd-fsckd.service                                     loaded active     running       File System Check Daemon to report status
      systemd-hostnamed.service                                 loaded active     running       Hostname Service
      systemd-journal-flush.service                             loaded active     exited        Flush Journal to Persistent Storage
      systemd-journald.service                                  loaded active     running       Journal Service
      systemd-logind.service                                    loaded active     running       Login Service
      systemd-modules-load.service                              loaded active     exited        Load Kernel Modules
      systemd-random-seed.service                               loaded active     exited        Load/Save Random Seed
      systemd-remount-fs.service                                loaded active     exited        Remount Root and Kernel File Systems
      systemd-sysctl.service                                    loaded active     exited        Apply Kernel Variables
      systemd-tmpfiles-setup-dev.service                        loaded active     exited        Create Static Device Nodes in /dev
      systemd-tmpfiles-setup.service                            loaded active     exited        Create Volatile Files and Directories
      systemd-udev-trigger.service                              loaded active     exited        udev Coldplug all Devices
      systemd-udevd.service                                     loaded active     running       udev Kernel Device Manager
      systemd-update-utmp-runlevel.service                      loaded inactive   dead    start Update UTMP about System Runlevel Changes
      systemd-update-utmp.service                               loaded active     exited        Update UTMP about System Boot/Shutdown
      systemd-user-sessions.service                             loaded active     exited        Permit User Sessions
      sysvinit-backlight.service                                loaded active     exited        LSB: Save and restore screen and keyboard backlight level
      thermald.service                                          loaded active     running       Thermal Daemon Service
      timidity.service                                          loaded active     running       LSB: start and stop timidity
      tor.service                                               loaded active     exited        Anonymizing overlay network for TCP (multi-instance-maste
      [email protected]                                       loaded active     running       Anonymizing overlay network for TCP
      ubuntu-fan.service                                        loaded inactive   dead    start Ubuntu FAN network setup
      udisks.service                                            loaded active     running       Disk Manager (legacy version)
      udisks2.service                                           loaded active     running       Disk Manager
      ufw.service                                               loaded active     exited        Uncomplicated firewall
      upower.service                                            loaded active     running       Daemon for power management
      [email protected]                                         loaded active     running       User Manager for UID 1000
      [email protected]                                          loaded active     running       User Manager for UID 104
      vboxautostart-service.service                             loaded active     exited        vboxautostart-service.service
      vboxballoonctrl-service.service                           loaded active     exited        vboxballoonctrl-service.service
      vboxdrv.service                                           loaded active     exited        VirtualBox Linux kernel module
      vboxweb-service.service                                   loaded active     running       vboxweb-service.service
      whoopsie.service                                          loaded inactive   dead    start crash report submission daemon
      winbind.service                                           loaded inactive   dead    start LSB: start Winbind daemon
      wpa_supplicant.service                                    loaded active     running       WPA supplicant
    
    LOAD   = Reflects whether the unit definition was properly loaded.
    ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
    SUB    = The low-level unit activation state, values depend on unit type.
    JOB    = Pending job for the unit.
    
    116 loaded units listed. Pass --all to see loaded but inactive units, too.
    To show all installed unit files use 'systemctl list-unit-files'.
    
    

    Update after removing all images and containers and adding -D to docker service:

    $ docker run -it ubuntu:18.04 
    Unable to find image 'ubuntu:18.04' locally
    18.04: Pulling from library/ubuntu
    35c102085707: Pull complete 
    251f5509d51d: Pull complete 
    8e829fe70a46: Pull complete 
    6001e1789921: Pull complete 
    Digest: sha256:d1d454df0f579c6be4d8161d227462d69e163a8ff9d20a847533989cf0c94d90
    Status: Downloaded newer image for ubuntu:18.04
    docker: Error response from daemon: cgroups: cannot find cgroup mount destination: unknown.
    
    $ tail -f /var/log/syslog | grep docker
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.235977407+03:00" level=debug msg="Calling GET /_ping"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.239220453+03:00" level=debug msg="Calling POST /v1.39/containers/create"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.239802159+03:00" level=debug msg="form data: {\"AttachStderr\":true,\"AttachStdin\":true,\"AttachStdout\":true,\"Cmd\":null,\"Domainname\":\"\",\"Entrypoint\":null,\"Env\":[],\"HostConfig\":{\"AutoRemove\":false,\"Binds\":null,\"BlkioDeviceReadBps\":null,\"BlkioDeviceReadIOps\":null,\"BlkioDeviceWriteBps\":null,\"BlkioDeviceWriteIOps\":null,\"BlkioWeight\":0,\"BlkioWeightDevice\":[],\"CapAdd\":null,\"CapDrop\":null,\"Cgroup\":\"\",\"CgroupParent\":\"\",\"ConsoleSize\":[0,0],\"ContainerIDFile\":\"\",\"CpuCount\":0,\"CpuPercent\":0,\"CpuPeriod\":0,\"CpuQuota\":0,\"CpuRealtimePeriod\":0,\"CpuRealtimeRuntime\":0,\"CpuShares\":0,\"CpusetCpus\":\"\",\"CpusetMems\":\"\",\"DeviceCgroupRules\":null,\"Devices\":[],\"DiskQuota\":0,\"Dns\":[],\"DnsOptions\":[],\"DnsSearch\":[],\"ExtraHosts\":null,\"GroupAdd\":null,\"IOMaximumBandwidth\":0,\"IOMaximumIOps\":0,\"IpcMode\":\"\",\"Isolation\":\"\",\"KernelMemory\":0,\"Links\":null,\"LogConfig\":{\"Config\":{},\"Type\":\"\"},\"MaskedPaths\":null,\"Memory\":0,\"MemoryReservation\":0,\"MemorySwap\":0,\"MemorySwappiness\":-1,\"NanoCpus\":0,\"NetworkMode\":\"default\",\"OomKillDisable\":false,\"OomScoreAdj\":0,\"PidMode\":\"\",\"PidsLimit\":0,\"PortBindings\":{},\"Privileged\":false,\"PublishAllPorts\":false,\"ReadonlyPaths\":null,\"ReadonlyRootfs\":false,\"RestartPolicy\":{\"MaximumRetryCount\":0,\"Name\":\"no\"},\"SecurityOpt\":null,\"ShmSize\":0,\"UTSMode\":\"\",\"Ulimits\":null,\"UsernsMode\":\"\",\"VolumeDriver\":\"\",\"VolumesFrom\":null},\"Hostname\":\"\",\"Image\":\"ubuntu:18.04\",\"Labels\":{},\"NetworkingConfig\":{\"EndpointsConfig\":{}},\"OnBuild\":null,\"OpenStdin\":true,\"StdinOnce\":true,\"Tty\":true,\"User\":\"\",\"Volumes\":{},\"WorkingDir\":\"\"}"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.276281207+03:00" level=debug msg="container mounted via layerStore: &{/var/lib/docker/overlay2/60b7962391f9c3670d264b3d8a4982bbebe01cf9283220395c2ca812747a40eb/merged 0x55bf84d46900 0x55bf84d46900}"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.303132923+03:00" level=debug msg="Calling POST /v1.39/containers/5d737b86472cdeecc20de8e6fa3f86f71bd7e53c3e59dcc68da0c911bcade3b9/attach?stderr=1&stdin=1&stdout=1&stream=1"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.303320604+03:00" level=debug msg="attach: stdin: begin"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.303347334+03:00" level=debug msg="attach: stdout: begin"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.303367047+03:00" level=debug msg="attach: stderr: begin"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.303750204+03:00" level=debug msg="Calling POST /v1.39/containers/5d737b86472cdeecc20de8e6fa3f86f71bd7e53c3e59dcc68da0c911bcade3b9/wait?condition=next-exit"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.304842547+03:00" level=debug msg="Calling POST /v1.39/containers/5d737b86472cdeecc20de8e6fa3f86f71bd7e53c3e59dcc68da0c911bcade3b9/start"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.306444389+03:00" level=debug msg="container mounted via layerStore: &{/var/lib/docker/overlay2/60b7962391f9c3670d264b3d8a4982bbebe01cf9283220395c2ca812747a40eb/merged 0x55bf84d46900 0x55bf84d46900}"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.307074242+03:00" level=debug msg="Assigning addresses for endpoint elated_franklin's interface on network bridge"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.307378411+03:00" level=debug msg="RequestAddress(LocalDefault/172.17.0.0/16, <nil>, map[])"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.307682670+03:00" level=debug msg="Request address PoolID:172.17.0.0/16 App: ipam/default/data, ID: LocalDefault/172.17.0.0/16, DBIndex: 0x0, Bits: 65536, Unselected: 65533, Sequence: (0xc0000000, 1)->(0x0, 2046)->(0x1, 1)->end Curr:3 Serial:false PrefAddress:<nil> "
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.333117713+03:00" level=debug msg="Assigning addresses for endpoint elated_franklin's interface on network bridge"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.352988148+03:00" level=debug msg="Programming external connectivity on endpoint elated_franklin (e6aaedb79f9b4df830da55a224ef60162d48952451294c856efcacd1b4d8f2ef)"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.359846164+03:00" level=debug msg="EnableService 5d737b86472cdeecc20de8e6fa3f86f71bd7e53c3e59dcc68da0c911bcade3b9 START"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.359866210+03:00" level=debug msg="EnableService 5d737b86472cdeecc20de8e6fa3f86f71bd7e53c3e59dcc68da0c911bcade3b9 DONE"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.366442322+03:00" level=debug msg="bundle dir created" bundle=/var/run/docker/containerd/5d737b86472cdeecc20de8e6fa3f86f71bd7e53c3e59dcc68da0c911bcade3b9 module=libcontainerd namespace=moby root=/var/lib/docker/overlay2/60b7962391f9c3670d264b3d8a4982bbebe01cf9283220395c2ca812747a40eb/merged
    Sep  7 20:57:34 norbert-UX32A NetworkManager[1224]: <info>  [1567879054.5349] device (docker0): link connected
    Sep  7 20:57:34 norbert-UX32A kernel: [43763.811967] docker0: port 1(vethca4e1e2) entered forwarding state
    Sep  7 20:57:34 norbert-UX32A kernel: [43763.811996] docker0: port 1(vethca4e1e2) entered forwarding state
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.541099717+03:00" level=debug msg="sandbox set key processing took 82.724835ms for container 5d737b86472cdeecc20de8e6fa3f86f71bd7e53c3e59dcc68da0c911bcade3b9"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.831828501+03:00" level=debug msg="attach: stdout: end"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.831830570+03:00" level=debug msg="attach: stderr: end"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.831871441+03:00" level=debug msg="attach: stdin: end"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.831893135+03:00" level=debug msg="attach done"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.831942207+03:00" level=debug msg="Closing buffered stdin pipe"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.848047063+03:00" level=debug msg="Revoking external connectivity on endpoint elated_franklin (e6aaedb79f9b4df830da55a224ef60162d48952451294c856efcacd1b4d8f2ef)"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.849567170+03:00" level=debug msg="DeleteConntrackEntries purged ipv4:0, ipv6:0"
    Sep  7 20:57:34 norbert-UX32A kernel: [43764.133221] docker0: port 1(vethca4e1e2) entered disabled state
    Sep  7 20:57:34 norbert-UX32A NetworkManager[1224]: <info>  [1567879054.8855] device (docker0): link disconnected (deferring action for 4 seconds)
    Sep  7 20:57:34 norbert-UX32A kernel: [43764.172680] docker0: port 1(vethca4e1e2) entered disabled state
    Sep  7 20:57:34 norbert-UX32A kernel: [43764.176152] docker0: port 1(vethca4e1e2) entered disabled state
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.948202159+03:00" level=debug msg="Releasing addresses for endpoint elated_franklin's interface on network bridge"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.948233303+03:00" level=debug msg="ReleaseAddress(LocalDefault/172.17.0.0/16, 172.17.0.2)"
    Sep  7 20:57:34 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:34.948272022+03:00" level=debug msg="Released address PoolID:LocalDefault/172.17.0.0/16, Address:172.17.0.2 Sequence:App: ipam/default/data, ID: LocalDefault/172.17.0.0/16, DBIndex: 0x0, Bits: 65536, Unselected: 65532, Sequence: (0xe0000000, 1)->(0x0, 2046)->(0x1, 1)->end Curr:3"
    Sep  7 20:57:35 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:35.004894384+03:00" level=error msg="5d737b86472cdeecc20de8e6fa3f86f71bd7e53c3e59dcc68da0c911bcade3b9 cleanup: failed to delete container from containerd: no such container"
    Sep  7 20:57:35 norbert-UX32A dockerd[29727]: time="2019-09-07T20:57:35.004928780+03:00" level=error msg="Handler for POST /v1.39/containers/5d737b86472cdeecc20de8e6fa3f86f71bd7e53c3e59dcc68da0c911bcade3b9/start returned error: cgroups: cannot find cgroup mount destination: unknown"
    Sep  7 20:57:39 norbert-UX32A NetworkManager[1224]: <info>  [1567879059.5208] device (docker0): link disconnected (calling deferred action)
    
    • Simon Sudler
      Simon Sudler over 4 years
      Can you add a -D to switch to the ExecStart=/usr/bin/dockerd... line in the /lib/systemd/system/docker.service file, reload systemctl daemon-reload and restart systemctl restart docker docker and at the output of /var/log/syslog when the error happens.
    • N0rbert
      N0rbert over 4 years
      @SimonSudler Done, thank you.
    • Simon Sudler
      Simon Sudler over 4 years
      mhh... that was not helpful. Next thing you can do is enable the trace debug output of containerd. There should be a config file in /etc/containerd/config.toml. stop dockerd and containerd, than start dockerd again... hopefully there is some meaningful error message in there
    • N0rbert
      N0rbert over 4 years
      There is no /etc/containerd/config.toml on my system :(
    • Simon Sudler
      Simon Sudler over 4 years
      You need to find where containerd is... the the message failed to delete container from containerd in your syslog. It must be somewhere.