[ 1954.475588][T22593] br0: port 1(dummy0) entered blocking state
[ 1954.475828][T22593] br0: port 1(dummy0) entered disabled state
[ 1954.476047][T22593] dummy0: entered allmulticast mode
[ 1954.477112][T22593] dummy0: entered promiscuous mode
[ 1954.500823][T22594] br0: port 1(dummy0) entered blocking state
[ 1954.501066][T22594] br0: port 1(dummy0) entered forwarding state
[ 1956.504599][   T70] dummy0: left allmulticast mode
[ 1956.505285][   T70] dummy0: left promiscuous mode
[ 1956.505515][   T70] br0: port 1(dummy0) entered disabled state