[ 1940.003077][T11216] br0: port 1(dummy0) entered blocking state
[ 1940.003269][T11216] br0: port 1(dummy0) entered disabled state
[ 1940.003428][T11216] dummy0: entered allmulticast mode
[ 1940.004422][T11216] dummy0: entered promiscuous mode
[ 1940.037286][T11217] br0: port 1(dummy0) entered blocking state
[ 1940.037542][T11217] br0: port 1(dummy0) entered forwarding state
[ 1941.927582][   T69] dummy0: left allmulticast mode
[ 1941.928505][   T69] dummy0: left promiscuous mode
[ 1941.928737][   T69] br0: port 1(dummy0) entered disabled state