[ 2354.609470][T18495] br0: port 1(dummy0) entered blocking state
[ 2354.609806][T18495] br0: port 1(dummy0) entered disabled state
[ 2354.610161][T18495] dummy0: entered allmulticast mode
[ 2354.611480][T18495] dummy0: entered promiscuous mode
[ 2354.637932][T18496] br0: port 1(dummy0) entered blocking state
[ 2354.638414][T18496] br0: port 1(dummy0) entered forwarding state
[ 2357.128041][   T12] dummy0: left allmulticast mode
[ 2357.128473][   T12] dummy0: left promiscuous mode
[ 2357.129290][   T12] br0: port 1(dummy0) entered disabled state