[ 1633.783959] br0: port 1(dummy0) entered blocking state
[ 1633.784001] br0: port 1(dummy0) entered disabled state
[ 1633.784039] dummy0: entered allmulticast mode
[ 1633.784093] dummy0: entered promiscuous mode
[ 1633.787178] br0: port 1(dummy0) entered blocking state
[ 1633.787244] br0: port 1(dummy0) entered forwarding state
[ 1634.002564] dummy0: left allmulticast mode
[ 1634.002596] dummy0: left promiscuous mode
[ 1634.002630] br0: port 1(dummy0) entered disabled state