The problem is that in nova-manage, the code catches exception.NetworkNotFound and blindly say "Command failed, please check log for more info" regardless what the exception might be.
With latest code as July 17, 2012, in the scenario you described, the following command will both produce that error. with latest code, July 17, 2012, $nova-manage fixed list network IP address hostname host 10.0.0.0/24 10.0.0.0 None None 10.0.0.0/24 10.0.0.1 None None 10.0.0.0/24 10.0.0.2 None None 10.0.0.0/24 10.0.0.3 None None 10.0.0.0/24 10.0.0.4 None None $nova-manage network list id IPv4 IPv6 start address DNS1 DNS2 VlanID project uuid 1 10.0.0.0/24 None 10.0.0.2 8.8.4.4 None None None 0440a6eb-9407-4aeb-a9db-05c38211ee0a $nova-manage network delete 10.0.0.0/24 $nova-manage fixed list network IP address hostname host Command failed, please check log for more info $ nova-manage network list id IPv4 IPv6 start address DNS1 DNS2 VlanID project uuid Command failed, please check log for more info The fixes should be in file nova/bin/nova-manage -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to nova in Ubuntu. https://bugs.launchpad.net/bugs/1021810 Title: `nova-manage fixed list` fails if network has been deleted To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1021810/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs