[ 2386.243248][ T5675] br0: port 1(dummy0) entered blocking state
[ 2386.243550][ T5675] br0: port 1(dummy0) entered disabled state
[ 2386.243823][ T5675] dummy0: entered allmulticast mode
[ 2386.245340][ T5675] dummy0: entered promiscuous mode
[ 2386.277550][ T5676] br0: port 1(dummy0) entered blocking state
[ 2386.278204][ T5676] br0: port 1(dummy0) entered forwarding state
[ 2388.694031][   T12] dummy0: left allmulticast mode
[ 2388.694840][   T12] dummy0: left promiscuous mode
[ 2388.695196][   T12] br0: port 1(dummy0) entered disabled state