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Hi,

I cannot instanciate any machine with external ip because it tells 
something failed but don't know reason.


I found this error in libvirtd

2013-12-09 18:33:52.032+0000: 3650: warning : virAuditSend:135 : Failed 
to send audit message virt=kvm vm="instance-0000002f" 
uuid=52af41df-5e9e-4470-86ff-ea274e18e08c 
vm-ctx=libvirt-52af41df-5e9e-4470-86ff-ea274e18e08c 
img-ctx=libvirt-52af41df-5e9e-4470-86ff-ea274e18e08c model=apparmor: 
Operation not permitted
2013-12-09 18:33:52.032+0000: 3650: warning : virAuditSend:135 : Failed 
to send audit message virt=kvm vm="instance-0000002f" 
uuid=52af41df-5e9e-4470-86ff-ea274e18e08c vm-ctx=128:123 img-ctx=128:123 
model=dac: Operation not permitted
2013-12-09 18:33:52.168+0000: 3650: warning : virAuditSend:135 : Failed 
to send audit message virt=kvm resrc=net reason=open 
vm="instance-0000002f" uuid=52af41df-5e9e-4470-86ff-ea274e18e08c 
net=fa:16:3e:27:7e:e0 path="/dev/net/tun" rdev=0A:C8: Operation not 
permitted
2013-12-09 18:33:52.700+0000: 3650: warning : virAuditSend:135 : Failed 
to send audit message virt=kvm resrc=net reason=open 
vm="instance-0000002f" uuid=52af41df-5e9e-4470-86ff-ea274e18e08c 
net=fa:16:3e:27:7e:e0 path="/dev/vhost-net" rdev=0A:EE: Operation not 
permitted
2013-12-09 18:33:52.852+0000: 3650: warning : virAuditSend:135 : Failed 
to send audit message virt=kvm resrc=net reason=open 
vm="instance-0000002f" uuid=52af41df-5e9e-4470-86ff-ea274e18e08c 
net=fa:16:3e:cc:2e:85 path="/dev/net/tun" rdev=0A:C8: Operation not 
permitted
2013-12-09 18:33:52.900+0000: 3650: error : virNWFilterInstantiate:790 : 
internal error: Cannot instantiate filter due to unresolvable variables 
or unavailable list elements: DHCPSERVER
2013-12-09 18:33:53.597+0000: 3650: warning : virAuditSend:135 : Failed 
to send audit message virt=kvm resrc=disk reason=start 
vm="instance-0000002f" uuid=52af41df-5e9e-4470-86ff-ea274e18e08c 
old-disk="?" 
new-disk="/var/lib/nova/instances/52af41df-5e9e-4470-86ff-ea274e18e08c/disk": 
Operation not permitted
2013-12-09 18:33:53.598+0000: 3650: warning : virAuditSend:135 : Failed 
to send audit message virt=kvm resrc=net reason=start 
vm="instance-0000002f" uuid=52af41df-5e9e-4470-86ff-ea274e18e08c 
old-net=? new-net=fa:16:3e:27:7e:e0: Operation not permitted
2013-12-09 18:33:53.598+0000: 3650: warning : virAuditSend:135 : Failed 
to send audit message virt=kvm resrc=net reason=start 
vm="instance-0000002f" uuid=52af41df-5e9e-4470-86ff-ea274e18e08c 
old-net=? new-net=fa:16:3e:cc:2e:85: Operation not permitted
2013-12-09 18:33:53.598+0000: 3650: warning : virAuditSend:135 : Failed 
to send audit message virt=kvm resrc=mem reason=start 
vm="instance-0000002f" uuid=52af41df-5e9e-4470-86ff-ea274e18e08c 
old-mem=0 new-mem=1572864: Operation not permitted
2013-12-09 18:33:53.598+0000: 3650: warning : virAuditSend:135 : Failed 
to send audit message virt=kvm resrc=vcpu reason=start 
vm="instance-0000002f" uuid=52af41df-5e9e-4470-86ff-ea274e18e08c 
old-vcpu=0 new-vcpu=1: Operation not permitted
2013-12-09 18:33:53.598+0000: 3650: warning : virAuditSend:135 : Failed 
to send audit message virt=kvm op=start reason=booted 
vm="instance-0000002f" uuid=52af41df-5e9e-4470-86ff-ea274e18e08c 
vm-pid=-1: Operation not permitted


I think cause can be:

2013-12-09 18:33:52.900+0000: 3650: error : virNWFilterInstantiate:790 : 
internal error: Cannot instantiate filter due to unresolvable variables 
or unavailable list elements: DHCPSERVER

What's this variable?


Thank you in advance.