host Linux server 4.15.0-22-generic #24-Ubuntu SMP Wed May 16 12:15:17 UTC 2018 x86_64 GNU/Linux
There are various failed messages observed when starting unprivileged containers and I am having a bit of trouble to comprehend those (whether they are just minor noise or having a major impact) and subsequent whether necessary to rectify.
container Unbuntu Bionic amd64
systemd 237 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN -PCRE2 default-hierarchy=hybrid)
Detected virtualization lxc.
Detected architecture x86-64.Welcome to Ubuntu 18.04 LTS!
Set hostname to .
Failed to read AF_UNIX datagram queue length, ignoring: No such file or directory
Failed to install release agent, ignoring: No such file or directory
File /lib/systemd/system/systemd-journald.service:36 configures an IP firewall (IPAddressDeny=any), but the local system does not support BPF/cgroup based firewalling.
Proceeding WITHOUT firewalling in effect! (This warning is only shown for the first loaded unit using IP firewalling.)
user.slice: Failed to reset devices.list: Operation not permitted
[UNSUPP] Starting of dev-getty.device not supported.
[DEPEND] Dependency failed for Serial Getty on getty.
serial-getty@getty.service: Job serial-getty@getty.service/start failed with result ‘dependency’.
system.slice: Failed to reset devices.list: Operation not permitted
system-container\x2dgetty.slice: Failed to reset devices.list: Operation not permitted
keyboard-setup.service: Failed to reset devices.list: Operation not permitted
systemd-modules-load.service: Failed to reset devices.list: Operation not permitted
system-serial\x2dgetty.slice: Failed to reset devices.list: Operation not permitted
systemd-tmpfiles-setup-dev.service: Failed to reset devices.list: Operation not permitted
systemd-journald.service: Failed to reset devices.list: Operation not permitted
sys-fs-fuse-connections.mount: Failed to reset devices.list: Operation not permitted
sys-kernel-config.mount: Failed to reset devices.list: Operation not permitted
systemd-sysctl.service: Failed to reset devices.list: Operation not permitted
sys-kernel-config.mount: Mount process exited, code=exited status=32
sys-kernel-config.mount: Failed with result ‘exit-code’.
[FAILED] Failed to mount Kernel Configuration File System.
See ‘systemctl status sys-kernel-config.mount’ for details.
[FAILED] Failed to start Hostname Service.
container Debian Stretch amd64
systemd 232 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD +IDN)
Detected virtualization lxc.
Detected architecture x86-64.Welcome to Debian GNU/Linux 9 (stretch)!
Set hostname to .
Failed to read AF_UNIX datagram queue length, ignoring: No such file or directory
Failed to install release agent, ignoring: No such file or directory
system.slice: Failed to reset devices.list: Operation not permitted
system.slice: Failed to set invocation ID on control group /system.slice, ignoring: Operation not permitted
system-container\x2dgetty.slice: Failed to reset devices.list: Operation not permitted
system-container\x2dgetty.slice: Failed to set invocation ID on control group /system.slice/system-container\x2dgetty.slice, ignoring: Operation not permitted
systemd-remount-fs.service: Failed to reset devices.list: Operation not permitted
systemd-remount-fs.service: Failed to set invocation ID on control group /system.slice/systemd-remount-fs.service, ignoring: Operation not permitted
systemd-modules-load.service: Failed to reset devices.list: Operation not permitted
systemd-modules-load.service: Failed to set invocation ID on control group /system.slice/systemd-modules-load.service, ignoring: Operation not permitted
systemd-journald-audit.socket: Failed to listen on sockets: Operation not permitted
[FAILED] Failed to listen on Journal Audit Socket.
systemd-journald-audit.socket: Unit entered failed state.
systemd-journald.service: Failed to reset devices.list: Operation not permitted
systemd-journald.service: Failed to set invocation ID on control group /system.slice/systemd-journald.service, ignoring: Operation not permitted
system-getty.slice: Failed to reset devices.list: Operation not permitted
system-getty.slice: Failed to set invocation ID on control group /system.slice/system-getty.slice, ignoring: Operation not permitted
sys-kernel-debug.mount: Failed to check directory /sys/kernel/debug: Permission denied
sys-kernel-debug.mount: Failed to reset devices.list: Operation not permitted
sys-kernel-debug.mount: Failed to set invocation ID on control group /system.slice/sys-kernel-debug.mount, ignoring: Operation not permitted
user.slice: Failed to reset devices.list: Operation not permitted
user.slice: Failed to set invocation ID on control group /user.slice, ignoring: Operation not permitted
dev-mqueue.mount: Failed to reset devices.list: Operation not permitted
dev-mqueue.mount: Failed to set invocation ID on control group /system.slice/dev-mqueue.mount, ignoring: Operation not permitted
systemd-tmpfiles-setup-dev.service: Failed to reset devices.list: Operation not permitted
systemd-tmpfiles-setup-dev.service: Failed to set invocation ID on control group /system.slice/systemd-tmpfiles-setup-dev.service, ignoring: Operation not permitted
proc-sys-net.mount: Failed to reset devices.list: Operation not permitted
dev-tty3.mount: Failed to reset devices.list: Operation not permitted
dev-tty1.mount: Failed to reset devices.list: Operation not permitted
sys-devices-virtual-net.mount: Failed to reset devices.list: Operation not permitted
proc-cpuinfo.mount: Failed to reset devices.list: Operation not permitted
proc-diskstats.mount: Failed to reset devices.list: Operation not permitted
dev-random.mount: Failed to reset devices.list: Operation not permitted
dev-zero.mount: Failed to reset devices.list: Operation not permitted
dev-null.mount: Failed to reset devices.list: Operation not permitted
dev-ptmx.mount: Failed to reset devices.list: Operation not permitted
dev-tty.mount: Failed to reset devices.list: Operation not permitted
proc-uptime.mount: Failed to reset devices.list: Operation not permitted
-.mount: Failed to reset devices.list: Operation not permitted
proc-swaps.mount: Failed to reset devices.list: Operation not permitted
proc-meminfo.mount: Failed to reset devices.list: Operation not permitted
proc-stat.mount: Failed to reset devices.list: Operation not permitted
dev-tty2.mount: Failed to reset devices.list: Operation not permitted
dev-urandom.mount: Failed to reset devices.list: Operation not permitted
dev-full.mount: Failed to reset devices.list: Operation not permitted
proc-sysrq\x2dtrigger.mount: Failed to reset devices.list: Operation not permitted
dev-tty4.mount: Failed to reset devices.list: Operation not permitted
sys-fs-fuse-connections.mount: Failed to reset devices.list: Operation not permitted
init.scope: Failed to reset devices.list: Operation not permitted
[FAILED] Failed to mount Debug File System.
[FAILED] Failed to mount Configuration File System.
container Centos 7 amd64
ssystemd 219 running in system mode. (+PAM +AUDIT +SELINUX +IMA -APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 -SECCOMP +BLKID +ELFUTILS +KMOD +IDN)
Detected virtualization lxc.
Detected architecture x86-64.Welcome to CentOS Linux 7 (Core)!
Failed to read AF_UNIX datagram queue length, ignoring: No such file or directory
Failed to install release agent, ignoring: No such file or directory
MESSAGE=Failed to check directory /sys/kernel/debug: Permission denied
[FAILED] Failed to mount Debug File System.
[FAILED] Failed to mount Huge Pages File System.
[FAILED] Failed to start Remount Root and Kernel File Systems.
[FAILED] Failed to mount Configuration File System.
container Archlinux Current amd64
systemd 238 running in system mode. (+PAM -AUDIT -SELINUX -IMA -APPARMOR +SMACK -SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ +LZ4 +SECCOMP +BLKID +ELFUTILS +KMOD -IDN2 +IDN +PCRE2 default-hierarchy=hybrid)
Detected virtualization lxc.
Detected architecture x86-64.Welcome to Arch Linux!
Set hostname to .
Failed to read AF_UNIX datagram queue length, ignoring: No such file or directory
Failed to install release agent, ignoring: No such file or directory
File /usr/lib/systemd/system/systemd-journald.service:35 configures an IP firewall (IPAddressDeny=any), but the local system does not support BPF/cgroup based firewalling.
Failed to create listening socket: Operation not permitted
systemd-journald-audit.socket: Failed to listen on sockets: Operation not permitted
systemd-journald-audit.socket: Failed with result ‘resources’.
[FAILED] Failed to listen on Journal Audit Socket.
sys-kernel-debug.mount: Failed to check directory /sys/kernel/debug: Permission denied
system.slice: Failed to reset devices.list: Operation not permitted
sys-kernel-debug.mount: Failed to reset devices.list: Operation not permitted
systemd-remount-fs.service: Failed to reset devices.list: Operation not permitted
tmp.mount: Failed to reset devices.list: Operation not permitted
system-container\x2dgetty.slice: Failed to reset devices.list: Operation not permitted
systemd-journald.service: Failed to reset devices.list: Operation not permitted
system-getty.slice: Failed to reset devices.list: Operation not permitted
systemd-sysctl.service: Failed to reset devices.list: Operation not permitted
sys-kernel-config.mount: Failed to reset devices.list: Operation not permitted
user.slice: Failed to reset devices.list: Operation not permitted
dev-mqueue.mount: Failed to reset devices.list: Operation not permitted
lvm2-monitor.service: Failed to reset devices.list: Operation not permitted
sys-kernel-debug.mount: Mount process exited, code=exited status=32
sys-kernel-debug.mount: Failed with result ‘exit-code’.
[FAILED] Failed to mount Kernel Debug File System.
sys-kernel-config.mount: Mount process exited, code=exited status=32
sys-kernel-config.mount: Failed with result ‘exit-code’.
[FAILED] Failed to mount Kernel Configuration File System.
systemd-tmpfiles-setup-dev.service: Failed to reset devices.list: Operation not permitted
[FAILED] Failed to start Network Service.
[FAILED] Failed to start Network Name Resolution.