[ 2254.118393][T22644] br0: port 1(dummy0) entered blocking state
[ 2254.118577][T22644] br0: port 1(dummy0) entered disabled state
[ 2254.118738][T22644] dummy0: entered allmulticast mode
[ 2254.119969][T22644] dummy0: entered promiscuous mode
[ 2254.148122][T22645] br0: port 1(dummy0) entered blocking state
[ 2254.148398][T22645] br0: port 1(dummy0) entered forwarding state
[ 2256.159590][   T12] dummy0: left allmulticast mode
[ 2256.160768][   T12] dummy0: left promiscuous mode
[ 2256.161176][   T12] br0: port 1(dummy0) entered disabled state