I have similiar issue on X10II. I’ve been trying to bring AppSupport back to work since it stopped working in November .
lxc-start: aliendalvik: utils.c: lxc_can_use_pidfd: 1772 Kernel does not support pidfds
lxc-start: aliendalvik: utils.c: safe_mount: 1198 Device or resource busy - Failed to mount “proc” onto “/usr/lib64/lxc/rootfs/proc”
lxc-start: aliendalvik: conf.c: lxc_mount_auto_mounts: 801 Device or resource busy - Failed to mount “proc” on “/usr/lib64/lxc/rootfs/proc” with flags 14
lxc-start: aliendalvik: conf.c: lxc_setup: 4094 Failed to setup first automatic mounts
lxc-start: aliendalvik: start.c: do_start: 1291 Failed to setup container “aliendalvik”
lxc-start: aliendalvik: sync.c: sync_wait: 36 An error occurred in another process (expected sequence number 3)
lxc-start: aliendalvik: start.c: __lxc_start: 2053 Failed to spawn container “aliendalvik”
lxc-start: aliendalvik: tools/lxc_start.c: main: 308 The container failed to start
lxc-start: aliendalvik: tools/lxc_start.c: main: 314 Additional information can be obtained by setting the --logfile and --logpriority options
cat: can’t open ‘/home/.android/data/alien_boot_completed’: No such file or directory