[ 1822.747026] br0: port 1(dummy0) entered blocking state
[ 1822.747080] br0: port 1(dummy0) entered disabled state
[ 1822.747114] dummy0: entered allmulticast mode
[ 1822.747160] dummy0: entered promiscuous mode
[ 1822.750842] br0: port 1(dummy0) entered blocking state
[ 1822.750913] br0: port 1(dummy0) entered forwarding state
[ 1823.023918] dummy0: left allmulticast mode
[ 1823.023985] dummy0: left promiscuous mode
[ 1823.024110] br0: port 1(dummy0) entered disabled state