[ 2294.184514][T20068] br0: port 1(dummy0) entered blocking state
[ 2294.184742][T20068] br0: port 1(dummy0) entered disabled state
[ 2294.184971][T20068] dummy0: entered allmulticast mode
[ 2294.186027][T20068] dummy0: entered promiscuous mode
[ 2294.215736][T20069] br0: port 1(dummy0) entered blocking state
[ 2294.216258][T20069] br0: port 1(dummy0) entered forwarding state
[ 2296.596956][   T68] dummy0: left allmulticast mode
[ 2296.597737][   T68] dummy0: left promiscuous mode
[ 2296.597979][   T68] br0: port 1(dummy0) entered disabled state