[ 2043.217032][T23258] br0: port 1(dummy0) entered blocking state
[ 2043.217753][T23258] br0: port 1(dummy0) entered disabled state
[ 2043.217966][T23258] dummy0: entered allmulticast mode
[ 2043.218970][T23258] dummy0: entered promiscuous mode
[ 2043.245974][T23259] br0: port 1(dummy0) entered blocking state
[ 2043.246311][T23259] br0: port 1(dummy0) entered forwarding state
[ 2045.189779][   T12] dummy0: left allmulticast mode
[ 2045.190850][   T12] dummy0: left promiscuous mode
[ 2045.191157][   T12] br0: port 1(dummy0) entered disabled state