Package: lxc Version: 1:4.0.5-1 Severity: normal Dear Maintainer,
*** Reporter, please consider answering these questions, where appropriate *** As title, rollback to previous version or remove "lxc.cap.drop=sys_admin" solved the issue. I found this error in debug.log conf - conf.c:lxc_mount_auto_mounts:728 - Invalid cross-device link - Failed to mount "/sys/fs/cgroup" * What led up to the situation? * What exactly did you do (or not do) that was effective (or ineffective)? * What was the outcome of this action? * What outcome did you expect instead? *** End of the template - remove these template lines *** -- System Information: Debian Release: bullseye/sid APT prefers unstable APT policy: (500, 'unstable') Architecture: amd64 (x86_64) Kernel: Linux 5.9.0-5-amd64 (SMP w/8 CPU threads) Kernel taint flags: TAINT_WARN Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages lxc depends on: ii debconf [debconf-2.0] 1.5.74 ii libc6 2.31-6 ii libcap2 1:2.44-1 ii libgcc-s1 10.2.1-3 ii liblxc1 1:4.0.5-1 ii libseccomp2 2.5.1-1 ii libselinux1 3.1-2+b2 ii lsb-base 11.1.0 Versions of packages lxc recommends: ii apparmor 2.13.5-1+b2 ii bridge-utils 1.6-3 pn debootstrap <none> ii dirmngr 2.2.20-1 pn dnsmasq-base <none> ii gnupg 2.2.20-1 ii iproute2 5.10.0-1 pn libpam-cgfs <none> ii lxc-templates 3.0.4-4 ii lxcfs 4.0.5-1 ii nftables 0.9.7-1 ii openssl 1.1.1i-1 ii rsync 3.2.3-3 pn uidmap <none> Versions of packages lxc suggests: ii btrfs-progs 5.9-1+b1 ii lvm2 2.03.10-1 ii python3-lxc 1:3.0.4-1+b4 -- Configuration Files: /etc/apparmor.d/usr.bin.lxc-start changed: /usr/bin/lxc-start flags=(attach_disconnected) { #include <abstractions/lxc/start-container> mount options=(rw, bind) -> /proc/sys/kernel/random/boot_id, mount options=(ro, nosuid, nodev, noexec, remount, bind) -> /proc/sys/kernel/random/boot_id, } /etc/default/lxc-net changed: USE_LXC_BRIDGE="false" /etc/lxc/default.conf changed: lxc.net.0.type = veth lxc.net.0.link = lxcbr0 lxc.net.0.flags = up lxc.apparmor.profile = generated lxc.apparmor.allow_nesting = 0 -- debconf information: lxc/auto_update_config: