[ 2078.958264][T12709] br0: port 1(dummy0) entered blocking state
[ 2078.958480][T12709] br0: port 1(dummy0) entered disabled state
[ 2078.958662][T12709] dummy0: entered allmulticast mode
[ 2078.960536][T12709] dummy0: entered promiscuous mode
[ 2078.982810][T12710] br0: port 1(dummy0) entered blocking state
[ 2078.983028][T12710] br0: port 1(dummy0) entered forwarding state
[ 2081.342132][   T68] dummy0: left allmulticast mode
[ 2081.342395][   T68] dummy0: left promiscuous mode
[ 2081.342774][   T68] br0: port 1(dummy0) entered disabled state