[ 1815.707129] br0: port 1(dummy0) entered blocking state
[ 1815.707169] br0: port 1(dummy0) entered disabled state
[ 1815.707197] dummy0: entered allmulticast mode
[ 1815.707240] dummy0: entered promiscuous mode
[ 1815.710740] br0: port 1(dummy0) entered blocking state
[ 1815.710765] br0: port 1(dummy0) entered forwarding state
[ 1815.955436] dummy0: left allmulticast mode
[ 1815.955470] dummy0: left promiscuous mode
[ 1815.955495] br0: port 1(dummy0) entered disabled state