[ 2164.681695][T31729] br0: port 1(dummy0) entered blocking state
[ 2164.681908][T31729] br0: port 1(dummy0) entered disabled state
[ 2164.682092][T31729] dummy0: entered allmulticast mode
[ 2164.683161][T31729] dummy0: entered promiscuous mode
[ 2164.710992][T31730] br0: port 1(dummy0) entered blocking state
[ 2164.711273][T31730] br0: port 1(dummy0) entered forwarding state
[ 2167.856003][   T12] dummy0: left allmulticast mode
[ 2167.856295][   T12] dummy0: left promiscuous mode
[ 2167.856537][   T12] br0: port 1(dummy0) entered disabled state