[ 2159.688017][T26148] br0: port 1(dummy0) entered blocking state
[ 2159.688695][T26148] br0: port 1(dummy0) entered disabled state
[ 2159.688854][T26148] dummy0: entered allmulticast mode
[ 2159.695780][T26148] dummy0: entered promiscuous mode
[ 2159.724908][T26149] br0: port 1(dummy0) entered blocking state
[ 2159.725275][T26149] br0: port 1(dummy0) entered forwarding state
[ 2161.695971][   T12] dummy0: left allmulticast mode
[ 2161.697152][   T12] dummy0: left promiscuous mode
[ 2161.697450][   T12] br0: port 1(dummy0) entered disabled state