[ 2139.823849][T16679] br0: port 1(dummy0) entered blocking state
[ 2139.824033][T16679] br0: port 1(dummy0) entered disabled state
[ 2139.824193][T16679] dummy0: entered allmulticast mode
[ 2139.825557][T16679] dummy0: entered promiscuous mode
[ 2139.857230][T16680] br0: port 1(dummy0) entered blocking state
[ 2139.857490][T16680] br0: port 1(dummy0) entered forwarding state
[ 2142.110894][   T69] dummy0: left allmulticast mode
[ 2142.111994][   T69] dummy0: left promiscuous mode
[ 2142.112223][   T69] br0: port 1(dummy0) entered disabled state