And network configurations on node:[root at ovirt-node] # brctl showbridge name bridge id STP enabled interfacesdocker0 8000.0242ae1de711 noovirtmgmt 8000.001320ff73aa no eth0[root at ovirt-node] # ifconfig -adocker0 Link encap:Ethernet HWaddr 02:42:ae:1d:e7:11inet addr:172.17.0.1 Bcast:0.0.0.0 Mask:255.255.0.0UP BROADCAST MULTICAST MTU:1500 Metric:1RX packets:0 errors:0 dropped:0 overruns:0 frame:0TX packets:0 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:0RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)eth0 Link encap:Ethernet HWaddr 00:13:20:ff:73:aaUP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1RX packets:6331 errors:0 dropped:0 overruns:0 frame:0TX packets:2866 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:1000RX bytes:762182 (744.3 KiB) TX bytes:210611 (205.6 KiB)Interrupt:20 Memory:d1100000-d1120000lo Link encap:Local Loopbackinet addr:127.0.0.1 Mask:255.0.0.0inet6 addr: ::1/128 Scope:HostUP LOOPBACK RUNNING MTU:65536 Metric:1RX packets:36 errors:0 dropped:0 overruns:0 frame:0TX packets:36 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:0RX bytes:2478 (2.4 KiB) TX bytes:2478 (2.4 KiB)ovirtmgmt Link encap:Ethernet HWaddr 00:13:20:ff:73:aainet addr:128.224.165.170 Bcast:128.224.165.255 Mask:255.255.255.0inet6 addr: fe80::213:20ff:feff:73aa/64 Scope:Linkinet6 addr: 11:2233:4455:6677:213:20ff:feff:73aa/64 Scope:GlobalUP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1RX packets:6295 errors:0 dropped:6 overruns:0 frame:0TX packets:2831 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:0RX bytes:644421 (629.3 KiB) TX bytes:177616 (173.4 KiB)sit0 Link encap:UNSPEC HWaddr 00-00-00-00-32-33-33-00-00-00-00-00-00-00-00-00NOARP MTU:1480 Metric:1RX packets:0 errors:0 dropped:0 overruns:0 frame:0TX packets:0 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:0RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)wlan0 Link encap:Ethernet HWaddr 80:86:f2:8b:1d:cfBROADCAST MULTICAST MTU:1500 Metric:1RX packets:0 errors:0 dropped:0 overruns:0 frame:0TX packets:0 errors:0 dropped:0 overruns:0 carrier:0collisions:0 txqueuelen:1000RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)Thanks,KaiOn Tue, May 24, 2016 at 3:36 PM, Kai Kang <kai.7.kang@gmail.com> wrote:Hi,When I install a host, it fails with:2016-05-24 07:00:01,749 ERROR [org.ovirt.engine.core.bll.SetNonOperationalVdsCommand] (DefaultQuartzScheduler_Worker-4) [1bf36cd4] Host 'node3' is set to Non-Operational, it is missing the following networks: 'ovirtmgmt'2016-05-24 07:00:01,781 WARN [org.ovirt.engine.core.dal.dbbroker.auditloghandling.AuditLogDirector] (DefaultQuartzScheduler_Worker-4) [1bf36cd4] Correlation ID: 1bf36cd4, Job ID: db281e8f-67cc-441a-b44c-90b135e509bd, Call Stack: null, Custom Event ID: -1, Message: Host node3 does not comply with the cluster Default networks, the following networks are missing on host: 'ovirtmgmt'After I click the "Hosts" -> subtab "Network Interfaces" -> "Setup Host Networks" on the web ui and drag ovirtmgmt to "Assigned Logical" to link with eth0, then activate host "node3" successfully.My question is how to make such manual operation automatically? Then I can run some automatic tests.Thanks a lot.--Kai