[ 1995.694719][T25673] br0: port 1(dummy0) entered blocking state
[ 1995.694933][T25673] br0: port 1(dummy0) entered disabled state
[ 1995.695120][T25673] dummy0: entered allmulticast mode
[ 1995.696188][T25673] dummy0: entered promiscuous mode
[ 1995.730988][T25674] br0: port 1(dummy0) entered blocking state
[ 1995.731300][T25674] br0: port 1(dummy0) entered forwarding state
[ 1997.598171][   T69] dummy0: left allmulticast mode
[ 1997.598477][   T69] dummy0: left promiscuous mode
[ 1997.598712][   T69] br0: port 1(dummy0) entered disabled state