[ 2239.421998][T17612] br0: port 1(dummy0) entered blocking state
[ 2239.422325][T17612] br0: port 1(dummy0) entered disabled state
[ 2239.422612][T17612] dummy0: entered allmulticast mode
[ 2239.423871][T17612] dummy0: entered promiscuous mode
[ 2239.456873][T17613] br0: port 1(dummy0) entered blocking state
[ 2239.457272][T17613] br0: port 1(dummy0) entered forwarding state
[ 2241.855464][   T69] dummy0: left allmulticast mode
[ 2241.856367][   T69] dummy0: left promiscuous mode
[ 2241.857012][   T69] br0: port 1(dummy0) entered disabled state