[ 2278.774904][T31798] br0: port 1(dummy0) entered blocking state
[ 2278.775155][T31798] br0: port 1(dummy0) entered disabled state
[ 2278.775382][T31798] dummy0: entered allmulticast mode
[ 2278.776655][T31798] dummy0: entered promiscuous mode
[ 2278.804836][T31799] br0: port 1(dummy0) entered blocking state
[ 2278.805142][T31799] br0: port 1(dummy0) entered forwarding state
[ 2280.890114][   T12] dummy0: left allmulticast mode
[ 2280.890420][   T12] dummy0: left promiscuous mode
[ 2280.890640][   T12] br0: port 1(dummy0) entered disabled state