[ 2085.499436][T21502] br0: port 1(dummy0) entered blocking state
[ 2085.499621][T21502] br0: port 1(dummy0) entered disabled state
[ 2085.499780][T21502] dummy0: entered allmulticast mode
[ 2085.501102][T21502] dummy0: entered promiscuous mode
[ 2085.525706][T21503] br0: port 1(dummy0) entered blocking state
[ 2085.525979][T21503] br0: port 1(dummy0) entered forwarding state
[ 2087.545103][   T69] dummy0: left allmulticast mode
[ 2087.545809][   T69] dummy0: left promiscuous mode
[ 2087.546040][   T69] br0: port 1(dummy0) entered disabled state