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container doesn’t start
$ lxc start postgres-test Error: Failed to run: /snap/lxd/current/bin/lxd forkstart postgres-test /var/snap/lxd/common/lxd/containers /var/snap/lxd/common/lxd/logs/postgres-test/lxc.conf: Try `lxc info --show-log postgres-test` for more info$ lxc info --show-log postgres-test Name: postgres-test Status: STOPPED Type: container Architecture: x86_64 Created: 2022/08/13 11:56 CEST Last Used: 2022/08/13 11:57 CEST Log: lxc postgres-test 20220813095759.893 WARN conf - ../src/src/lxc/conf.c:lxc_map_ids:3592 - newuidmap binary is missing lxc postgres-test 20220813095759.893 WARN conf - ../src/src/lxc/conf.c:lxc_map_ids:3598 - newgidmap binary is missing lxc postgres-test 20220813095759.894 WARN conf - ../src/src/lxc/conf.c:lxc_map_ids:3592 - newuidmap binary is missing lxc postgres-test 20220813095759.894 WARN conf - ../src/src/lxc/conf.c:lxc_map_ids:3598 - newgidmap binary is missing lxc postgres-test 20220813095759.974 ERROR cgfsng - ../src/src/lxc/cgroups/cgfsng.c:cgfsng_mount:2131 - No such file or directory - Failed to create cgroup at_mnt 23() lxc postgres-test 20220813095759.974 ERROR conf - ../src/src/lxc/conf.c:lxc_mount_auto_mounts:851 - No such file or directory - Failed to mount "/sys/fs/cgroup" lxc postgres-test 20220813095759.974 ERROR conf - ../src/src/lxc/conf.c:lxc_setup:4396 - Failed to setup remaining automatic mounts lxc postgres-test 20220813095759.974 ERROR start - ../src/src/lxc/start.c:do_start:1272 - Failed to setup container "postgres-test" lxc postgres-test 20220813095759.974 ERROR sync - ../src/src/lxc/sync.c:sync_wait:34 - An error occurred in another process (expected sequence number 4) lxc postgres-test 20220813095759.979 WARN network - ../src/src/lxc/network.c:lxc_delete_network_priv:3631 - Failed to rename interface with index 0 from "eth0" to its initial name "vethd67375f8" lxc postgres-test 20220813095759.979 ERROR start - ../src/src/lxc/start.c:__lxc_start:2107 - Failed to spawn container "postgres-test" lxc postgres-test 20220813095759.979 ERROR lxccontainer - ../src/src/lxc/lxccontainer.c:wait_on_daemonized_start:877 - Received container state "ABORTING" instead of "RUNNING" lxc postgres-test 20220813095759.979 WARN start - ../src/src/lxc/start.c:lxc_abort:1036 - No such process - Failed to send SIGKILL via pidfd 19 for process 36878 lxc postgres-test 20220813095805.788 WARN conf - ../src/src/lxc/conf.c:lxc_map_ids:3592 - newuidmap binary is missing lxc postgres-test 20220813095805.789 WARN conf - ../src/src/lxc/conf.c:lxc_map_ids:3598 - newgidmap binary is missing lxc 20220813095805.113 ERROR af_unix - ../src/src/lxc/af_unix.c:lxc_abstract_unix_recv_fds_iov:218 - Connection reset by peer - Failed to receive response lxc 20220813095805.113 ERROR commands - ../src/src/lxc/commands.c:lxc_cmd_rsp_recv_fds:128 - Failed to receive file descriptors for command "get_state" -
solution that fixed that problem
$ sudo umount /sys/fs/cgroup/net_cls $ lxc start postgres-test $ lxc ls +---------------+---------+---------------------+-----------------------------------------------+-----------+-----------+ | NAME | STATE | IPV4 | IPV6 | TYPE | SNAPSHOTS | +---------------+---------+---------------------+-----------------------------------------------+-----------+-----------+ | postgres-test | RUNNING | 10.11.56.165 (eth0) | fd42:b332:99c3:3d84:216:3eff:fe3a:73fe (eth0) | CONTAINER | 0 | +---------------+---------+---------------------+-----------------------------------------------+-----------+-----------+