[ 2170.017124][T23328] br0: port 1(dummy0) entered blocking state
[ 2170.017310][T23328] br0: port 1(dummy0) entered disabled state
[ 2170.017483][T23328] dummy0: entered allmulticast mode
[ 2170.018628][T23328] dummy0: entered promiscuous mode
[ 2170.048253][T23329] br0: port 1(dummy0) entered blocking state
[ 2170.048679][T23329] br0: port 1(dummy0) entered forwarding state
[ 2172.099962][   T71] dummy0: left allmulticast mode
[ 2172.101169][   T71] dummy0: left promiscuous mode
[ 2172.101485][   T71] br0: port 1(dummy0) entered disabled state