[Thu Oct 23 18:58:35 2025] systemd[1]: systemd 249.11-0ubuntu3.12 running in system mode (+PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT +GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 -PWQUALITY -P11KIT -QRENCODE +BZIP2 +LZ4 +XZ +ZLIB +ZSTD -XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified) [Thu Oct 23 18:58:35 2025] systemd[1]: Detected virtualization kvm. [Thu Oct 23 18:58:35 2025] systemd[1]: Detected architecture x86-64. [Thu Oct 23 18:58:35 2025] systemd[1]: Configuration file /run/systemd/system/netplan-ovs-cleanup.service is marked world-inaccessible. This has no effect as configuration data is accessible via APIs without restrictions. Proceeding anyway. [Thu Oct 23 18:58:35 2025] systemd[1]: /lib/systemd/system/snapd.service:23: Unknown key name 'RestartMode' in section 'Service', ignoring. [Thu Oct 23 18:58:35 2025] systemd[1]: cloud-init-hotplugd.socket: Socket unit configuration has changed while unit has been running, no open socket file descriptor left. The socket unit is not functional until restarted. [Thu Oct 23 18:58:45 2025] Unsafe core_pattern used with fs.suid_dumpable=2. Pipe handler or fully qualified core dump path required. Set kernel.core_pattern before fs.suid_dumpable. [Thu Oct 23 18:59:53 2025] systemd[1]: systemd 249.11-0ubuntu3.16 running in system mode (+PAM +AUDIT +SELINUX +APPARMOR +IMA +SMACK +SECCOMP +GCRYPT +GNUTLS +OPENSSL +ACL +BLKID +CURL +ELFUTILS +FIDO2 +IDN2 -IDN +IPTC +KMOD +LIBCRYPTSETUP +LIBFDISK +PCRE2 -PWQUALITY -P11KIT -QRENCODE +BZIP2 +LZ4 +XZ +ZLIB +ZSTD -XKBCOMMON +UTMP +SYSVINIT default-hierarchy=unified) [Thu Oct 23 18:59:53 2025] systemd[1]: Detected virtualization kvm. [Thu Oct 23 18:59:53 2025] systemd[1]: Detected architecture x86-64. [Thu Oct 23 18:59:53 2025] systemd[1]: Configuration file /run/systemd/system/netplan-ovs-cleanup.service is marked world-inaccessible. This has no effect as configuration data is accessible via APIs without restrictions. Proceeding anyway. [Thu Oct 23 18:59:53 2025] systemd[1]: /lib/systemd/system/snapd.service:23: Unknown key name 'RestartMode' in section 'Service', ignoring. [Thu Oct 23 18:59:53 2025] systemd[1]: cloud-init-hotplugd.socket: Socket unit configuration has changed while unit has been running, no open socket file descriptor left. The socket unit is not functional until restarted. [Thu Oct 23 18:59:53 2025] systemd-journald[542]: Received SIGTERM from PID 1 (systemd). [Thu Oct 23 18:59:53 2025] systemd[1]: Stopping Journal Service... [Thu Oct 23 18:59:53 2025] systemd[1]: systemd-journald.service: Deactivated successfully. [Thu Oct 23 18:59:53 2025] systemd[1]: Stopped Journal Service. [Thu Oct 23 18:59:53 2025] systemd[1]: Starting Journal Service... [Thu Oct 23 18:59:53 2025] systemd[1]: Started Journal Service. [Thu Oct 23 19:17:50 2025] TCP: request_sock_TCP: Possible SYN flooding on port 22. Sending cookies. Check SNMP counters.