[ 2351.750315][T27272] br0: port 1(dummy0) entered blocking state
[ 2351.750501][T27272] br0: port 1(dummy0) entered disabled state
[ 2351.750662][T27272] dummy0: entered allmulticast mode
[ 2351.751514][T27272] dummy0: entered promiscuous mode
[ 2351.777564][T27273] br0: port 1(dummy0) entered blocking state
[ 2351.778089][T27273] br0: port 1(dummy0) entered forwarding state
[ 2354.339029][   T69] dummy0: left allmulticast mode
[ 2354.340405][   T69] dummy0: left promiscuous mode
[ 2354.340822][   T69] br0: port 1(dummy0) entered disabled state