[ 1866.789802][T24430] br0: port 1(dummy0) entered blocking state
[ 1866.790000][T24430] br0: port 1(dummy0) entered disabled state
[ 1866.790189][T24430] dummy0: entered allmulticast mode
[ 1866.791130][T24430] dummy0: entered promiscuous mode
[ 1866.816446][T24431] br0: port 1(dummy0) entered blocking state
[ 1866.817156][T24431] br0: port 1(dummy0) entered forwarding state
[ 1868.854620][   T12] dummy0: left allmulticast mode
[ 1868.854794][   T12] dummy0: left promiscuous mode
[ 1868.855012][   T12] br0: port 1(dummy0) entered disabled state