[ 2275.577970][T11551] br0: port 1(dummy0) entered blocking state
[ 2275.578275][T11551] br0: port 1(dummy0) entered disabled state
[ 2275.578542][T11551] dummy0: entered allmulticast mode
[ 2275.579525][T11551] dummy0: entered promiscuous mode
[ 2275.605118][T11552] br0: port 1(dummy0) entered blocking state
[ 2275.605634][T11552] br0: port 1(dummy0) entered forwarding state
[ 2278.095902][   T62] dummy0: left allmulticast mode
[ 2278.096854][   T62] dummy0: left promiscuous mode
[ 2278.097434][   T62] br0: port 1(dummy0) entered disabled state