[ 2333.203893][T28566] br0: port 1(dummy0) entered blocking state
[ 2333.204134][T28566] br0: port 1(dummy0) entered disabled state
[ 2333.204365][T28566] dummy0: entered allmulticast mode
[ 2333.205835][T28566] dummy0: entered promiscuous mode
[ 2333.235615][T28567] br0: port 1(dummy0) entered blocking state
[ 2333.235884][T28567] br0: port 1(dummy0) entered forwarding state
[ 2335.678853][   T69] dummy0: left allmulticast mode
[ 2335.679268][   T69] dummy0: left promiscuous mode
[ 2335.679509][   T69] br0: port 1(dummy0) entered disabled state