[ 2079.196497][T11949] br0: port 1(dummy0) entered blocking state
[ 2079.196700][T11949] br0: port 1(dummy0) entered disabled state
[ 2079.196862][T11949] dummy0: entered allmulticast mode
[ 2079.197742][T11949] dummy0: entered promiscuous mode
[ 2079.228873][T11950] br0: port 1(dummy0) entered blocking state
[ 2079.229051][T11950] br0: port 1(dummy0) entered forwarding state
[ 2081.242810][   T12] dummy0: left allmulticast mode
[ 2081.242994][   T12] dummy0: left promiscuous mode
[ 2081.243233][   T12] br0: port 1(dummy0) entered disabled state