[ 2201.163190][T16432] br0: port 1(dummy0) entered blocking state
[ 2201.163501][T16432] br0: port 1(dummy0) entered disabled state
[ 2201.163776][T16432] dummy0: entered allmulticast mode
[ 2201.164755][T16432] dummy0: entered promiscuous mode
[ 2201.191018][T16433] br0: port 1(dummy0) entered blocking state
[ 2201.191679][T16433] br0: port 1(dummy0) entered forwarding state
[ 2203.660249][   T71] dummy0: left allmulticast mode
[ 2203.661336][   T71] dummy0: left promiscuous mode
[ 2203.661800][   T71] br0: port 1(dummy0) entered disabled state