Public bug reported: Recently I needed to install OVS on fresh ubuntu 18.04.
1). # lsb_release -rd Description: Ubuntu 18.04 LTS Release: 18.04 2). # apt-cache policy openvswitch-switch openvswitch-switch: Installed: 2.9.0-0ubuntu1 Candidate: 2.9.0-0ubuntu1 Version table: *** 2.9.0-0ubuntu1 500 500 http://ru.archive.ubuntu.com/ubuntu bionic/main amd64 Packages 100 /var/lib/dpkg/status 3). OVS configured after reboot. 4). OVS was not configured after reboot. After this actions: - remove netplan.io - install ifupdown - install openvswitch-switch - add verified ovs related statements to /etc/network/interfaces - reboot I got this in journal: мая 11 16:26:49 host2.lab.atlantis.ru ovs-vsctl[1328]: ovs|00002|db_ctl_base|ERR|unix:/var/run/openvswitch/db.sock: database connection failed (No such file or directory) мая 11 16:26:49 host2.lab.atlantis.ru ovs-vsctl[1368]: ovs|00002|db_ctl_base|ERR|unix:/var/run/openvswitch/db.sock: database connection failed (No such file or directory) мая 11 16:26:49 host2.lab.atlantis.ru ovs-vsctl[1392]: ovs|00002|db_ctl_base|ERR|unix:/var/run/openvswitch/db.sock: database connection failed (No such file or directory) мая 11 16:26:49 host2.lab.atlantis.ru ovs-vsctl[1424]: ovs|00002|db_ctl_base|ERR|unix:/var/run/openvswitch/db.sock: database connection failed (No such file or directory) мая 11 16:26:49 host2.lab.atlantis.ru systemd[1]: networking.service: Failed with result 'exit-code'. мая 11 16:26:49 host2.lab.atlantis.ru systemd[1]: Failed to start Raise network interfaces. мая 11 16:28:42 host2.lab.atlantis.ru ovs-vsctl[2041]: ovs|00002|db_ctl_base|ERR|no bridge named br0 мая 11 16:28:43 host2.lab.atlantis.ru ovs-vsctl[2091]: ovs|00002|db_ctl_base|ERR|no bridge named br0 мая 11 16:28:43 host2.lab.atlantis.ru ovs-vsctl[2137]: ovs|00002|db_ctl_base|ERR|no bridge named br0 мая 11 16:28:43 host2.lab.atlantis.ru systemd[1]: networking.service: Failed with result 'exit-code'. мая 11 16:28:43 host2.lab.atlantis.ru systemd[1]: Failed to start Raise network interfaces. мая 11 16:30:05 host2.lab.atlantis.ru ovs-vsctl[2243]: ovs|00002|db_ctl_base|ERR|no bridge named br0 мая 11 16:30:06 host2.lab.atlantis.ru ovs-vsctl[2293]: ovs|00002|db_ctl_base|ERR|no bridge named br0 мая 11 16:30:07 host2.lab.atlantis.ru ovs-vsctl[2339]: ovs|00002|db_ctl_base|ERR|no bridge named br0 мая 11 16:30:07 host2.lab.atlantis.ru systemd[1]: networking.service: Failed with result 'exit-code'. мая 11 16:30:07 host2.lab.atlantis.ru systemd[1]: Failed to start Raise network interfaces. Problem was fixed after the following changes to unit files: # diff /lib/systemd/system/ovsdb-server.service /etc/systemd/system/ovsdb-server.service 4c4 < Before=network.target network.service --- > Before=network.target networking.service # diff /lib/systemd/system/ovs-vswitchd.service /etc/systemd/system/ovs-vswitchd.service 4c4 < Before=network.target network.service --- > Before=network.target networking.service ** Affects: systemd (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1770706 Title: openvswitch with ifupdown after reboot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1770706/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs