The cloudcontrol hosts in codfw are tripping the icinga "check systemd state" and showing up on the main alerts status page.
cloudcontrol2003-dev:~$ sudo systemctl --failed UNIT LOAD ACTIVE SUB DESCRIPTION ● neutron-linuxbridge-agent.service loaded failed failed Openstack Neutron LinuxBridge Plugin Agent
Jan 02 14:15:18 cloudcontrol2001-dev systemd[1]: [/lib/systemd/system/neutron-linuxbridge-agent.service:12] Runtime directory is not valid, ignoring assignment: neutron lock/neutron Jan 02 14:15:18 cloudcontrol2001-dev systemd[1]: [/lib/systemd/system/neutron-linuxbridge-agent.service:13] Unknown lvalue 'CacheDirectory' in section 'Service'
The unit configuration for that service looks a little strange:
cloudcontrol2001-dev:~$ sudo systemctl cat neutron-linuxbridge-agent [15/169] # /lib/systemd/system/neutron-linuxbridge-agent.service [Unit] Description=Openstack Neutron LinuxBridge Plugin Agent After=mysql.service postgresql.service rabbitmq-server.service keystone.service [Service] User=neutron Group=neutron Type=simple WorkingDirectory=~ RuntimeDirectory=neutron lock/neutron CacheDirectory=neutron ExecStart=/etc/init.d/neutron-linuxbridge-agent systemd-start Restart=on-failure LimitNOFILE=65535 TimeoutStopSec=15 [Install] WantedBy=multi-user.target
I'm not sure why that service is on these systems, it might be related to the upgrade work in T241348