[ 2185.103326][T23414] br0: port 1(dummy0) entered blocking state
[ 2185.103686][T23414] br0: port 1(dummy0) entered disabled state
[ 2185.104524][T23414] dummy0: entered allmulticast mode
[ 2185.106157][T23414] dummy0: entered promiscuous mode
[ 2185.138180][T23415] br0: port 1(dummy0) entered blocking state
[ 2185.138775][T23415] br0: port 1(dummy0) entered forwarding state
[ 2187.628873][   T69] dummy0: left allmulticast mode
[ 2187.629719][   T69] dummy0: left promiscuous mode
[ 2187.632164][   T69] br0: port 1(dummy0) entered disabled state