[ 2383.628240][T13626] br0: port 1(dummy0) entered blocking state
[ 2383.628560][T13626] br0: port 1(dummy0) entered disabled state
[ 2383.628853][T13626] dummy0: entered allmulticast mode
[ 2383.630018][T13626] dummy0: entered promiscuous mode
[ 2383.655974][T13627] br0: port 1(dummy0) entered blocking state
[ 2383.656724][T13627] br0: port 1(dummy0) entered forwarding state
[ 2386.041561][   T12] dummy0: left allmulticast mode
[ 2386.042174][   T12] dummy0: left promiscuous mode
[ 2386.042524][   T12] br0: port 1(dummy0) entered disabled state