[ 1615.822035] br0: port 1(dummy0) entered blocking state
[ 1615.822108] br0: port 1(dummy0) entered disabled state
[ 1615.822175] dummy0: entered allmulticast mode
[ 1615.822267] dummy0: entered promiscuous mode
[ 1615.825137] br0: port 1(dummy0) entered blocking state
[ 1615.825168] br0: port 1(dummy0) entered forwarding state
[ 1616.010081] dummy0: left allmulticast mode
[ 1616.010117] dummy0: left promiscuous mode
[ 1616.010148] br0: port 1(dummy0) entered disabled state