[ 1862.025912][T15777] br0: port 1(dummy0) entered blocking state
[ 1862.026116][T15777] br0: port 1(dummy0) entered disabled state
[ 1862.026275][T15777] dummy0: entered allmulticast mode
[ 1862.027565][T15777] dummy0: entered promiscuous mode
[ 1862.049293][T15778] br0: port 1(dummy0) entered blocking state
[ 1862.049641][T15778] br0: port 1(dummy0) entered forwarding state
[ 1864.011137][  T954] dummy0: left allmulticast mode
[ 1864.012212][  T954] dummy0: left promiscuous mode
[ 1864.012446][  T954] br0: port 1(dummy0) entered disabled state