[ 2119.852050][  T342] br0: port 1(dummy0) entered blocking state
[ 2119.852351][  T342] br0: port 1(dummy0) entered disabled state
[ 2119.852862][  T342] dummy0: entered allmulticast mode
[ 2119.853841][  T342] dummy0: entered promiscuous mode
[ 2119.883438][  T343] br0: port 1(dummy0) entered blocking state
[ 2119.883840][  T343] br0: port 1(dummy0) entered forwarding state
[ 2122.392218][   T61] dummy0: left allmulticast mode
[ 2122.393053][   T61] dummy0: left promiscuous mode
[ 2122.393738][   T61] br0: port 1(dummy0) entered disabled state