[ 2036.985030][T18496] br0: port 1(dummy0) entered blocking state
[ 2036.985230][T18496] br0: port 1(dummy0) entered disabled state
[ 2036.985387][T18496] dummy0: entered allmulticast mode
[ 2036.986368][T18496] dummy0: entered promiscuous mode
[ 2037.012746][T18497] br0: port 1(dummy0) entered blocking state
[ 2037.013336][T18497] br0: port 1(dummy0) entered forwarding state
[ 2039.044653][   T68] dummy0: left allmulticast mode
[ 2039.045415][   T68] dummy0: left promiscuous mode
[ 2039.045655][   T68] br0: port 1(dummy0) entered disabled state