[ 1977.460664][T15109] br0: port 1(dummy0) entered blocking state
[ 1977.460849][T15109] br0: port 1(dummy0) entered disabled state
[ 1977.461443][T15109] dummy0: entered allmulticast mode
[ 1977.462348][T15109] dummy0: entered promiscuous mode
[ 1977.484925][T15110] br0: port 1(dummy0) entered blocking state
[ 1977.485715][T15110] br0: port 1(dummy0) entered forwarding state
[ 1979.426323][   T70] dummy0: left allmulticast mode
[ 1979.427359][   T70] dummy0: left promiscuous mode
[ 1979.427632][   T70] br0: port 1(dummy0) entered disabled state