Created attachment 608173 [details] engine.log Description of problem: DC/CL 3.0 cannot change IP on VLAN interface from none to static IP Error: dell-r210ii-05.rhev.lab.eng.brq.redhat.com: Previous network name is required. appears How reproducible: 100% Steps to Reproduce: 1. Create VLAN assign it to host interface with boot protocol: none 2. Hosts -> your host (in maintanace) -> network interfaces -> pick VLAN interface -> Add/Edit -> boot protol: static -> fill in valid IP/mask -> click OK -> error appears (see screenshot) Actual results: Error message appears Expected results: IP should be changed Additional info: 2012-08-30 12:48:39,037 WARN [org.ovirt.engine.core.bll.UpdateNetworkToVdsInterfaceCommand] (ajp-/127.0.0.1:8009-10) [77573eb4] CanDoAction of action UpdateNetworkToVdsInterface failed. Reasons:NETWROK_OLD_NETWORK_NOT_SPECIFIED There were some bugs with similar error message https://bugzilla.redhat.com/buglist.cgi?quicksearch=NETWROK_OLD_NETWORK_NOT_SPECIFIED&list_id=493862
Created attachment 608175 [details] screenshot 1
The patch-set series which solves bug 850423 also fixed this bug: http://gerrit.ovirt.org/#/c/7572/
*** Bug 853660 has been marked as a duplicate of this bug. ***
Fixed by commit-id: http://gerrit.ovirt.org/gitweb?p=ovirt-engine.git;a=commit;h=58b5bad79929bcdb2fd23ab80dcacdfae8b80a07