[ 2124.036946][T19220] br0: port 1(dummy0) entered blocking state
[ 2124.037137][T19220] br0: port 1(dummy0) entered disabled state
[ 2124.037307][T19220] dummy0: entered allmulticast mode
[ 2124.038437][T19220] dummy0: entered promiscuous mode
[ 2124.066773][T19221] br0: port 1(dummy0) entered blocking state
[ 2124.067151][T19221] br0: port 1(dummy0) entered forwarding state
[ 2126.121137][   T12] dummy0: left allmulticast mode
[ 2126.121513][   T12] dummy0: left promiscuous mode
[ 2126.121837][   T12] br0: port 1(dummy0) entered disabled state