[pkg-lxc-devel] Bug#946179: [lxcfs] lxcfs tries to delete systemd cgroup folders, fails stopping lxc

[Synthea]

Package: lxcfs
Version: 2.0.7-1+deb9u1
Severity: grave

Here's lxc log:

      lxc-start 20191204112931.787 INFO     lxc_cgroup - cgroups/cgroup.c:cgroup_init:68 - cgroup driver cgroupfs initing for debian-test
      lxc-start 20191204112931.790 ERROR    lxc_cgfs - cgroups/cgfs.c:lxc_cgroupfs_create:901 - Could not find writable mount point for cgroup hierarchy 11 while trying to create cgroup.
      lxc-start 20191204112931.802 ERROR    lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user/root/0
      lxc-start 20191204112931.807 ERROR    lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user/root
      lxc-start 20191204112931.808 ERROR    lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user
      lxc-start 20191204112931.808 ERROR    lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice/user-135.slice/session-1.scope
      lxc-start 20191204112931.808 ERROR    lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice/user-135.slice
      lxc-start 20191204112931.808 ERROR    lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice/user-0.slice/session-c1.scope
      lxc-start 20191204112931.809 ERROR    lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice/user-0.slice
      lxc-start 20191204112931.817 ERROR    lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice/user-1000.slice/session-2.scope
      lxc-start 20191204112931.817 ERROR    lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice/user-1000.slice
      lxc-start 20191204112931.817 ERROR    lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd//user.slice
      lxc-start 20191204112931.817 ERROR    lxc_cgfs - cgroups/cgfs.c:cgroup_rmdir:209 - Device or resource busy - cgroup_rmdir: failed to delete /sys/fs/cgroup/systemd/
      lxc-start 20191204112931.817 ERROR    lxc_start - start.c:lxc_spawn:1108 - Failed creating cgroups.
      lxc-start 20191204112931.857 INFO     lxc_conf - conf.c:lxc_delete_network:3015 - Removed interface "(null)" with index 18.
      lxc-start 20191204112931.883 WARN     lxc_conf - conf.c:lxc_delete_network:3038 - Failed to remove "vethXD8GPK" from host: Invalid argument.
      lxc-start 20191204112931.883 WARN     lxc_monitor - monitor.c:lxc_monitor_fifo_send:111 - Failed to open fifo to send message: No such file or directory.
      lxc-start 20191204112931.883 ERROR    lxc_start - start.c:__lxc_start:1346 - Failed to spawn container "debian-test".
      lxc-start 20191204112931.884 WARN     lxc_monitor - monitor.c:lxc_monitor_fifo_send:111 - Failed to open fifo to send message: No such file or directory.
      lxc-start 20191204112931.884 WARN     lxc_monitor - monitor.c:lxc_monitor_fifo_send:111 - Failed to open fifo to send message: No such file or directory.
      lxc-start 20191204112931.884 INFO     lxc_conf - conf.c:run_script_argv:424 - Executing script "/usr/share/lxcfs/lxc.reboot.hook" for container "debian-test", config section "lxc".
      lxc-start 20191204112932.401 ERROR    lxc_start_ui - tools/lxc_start.c:main:366 - The container failed to start.
      lxc-start 20191204112932.401 ERROR    lxc_start_ui - tools/lxc_start.c:main:370 - Additional information can be obtained by setting

--- System information. ---
Architecture: 
Kernel:       Linux 4.9.0-5-amd64

Debian Release: 9.11
  500 oldstable-updates deb.debian.org 
  500 oldstable       security.debian.org
  500 oldstable       deb.debian.org 
  100 stretch-backports deb.debian.org 

--- Package information. ---
Depends                  (Version) | Installed
==================================-+-===========
libc6                    (>= 2.17) | 
libfuse2                  (>= 2.6) | 
init-system-helpers     (>= 1.18~) | 
lsb-base                (>= 3.0-6) | 


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