[ 1713.910733] br0: port 1(dummy0) entered blocking state
[ 1713.910771] br0: port 1(dummy0) entered disabled state
[ 1713.910805] dummy0: entered allmulticast mode
[ 1713.910859] dummy0: entered promiscuous mode
[ 1713.913725] br0: port 1(dummy0) entered blocking state
[ 1713.913759] br0: port 1(dummy0) entered forwarding state
[ 1714.111771] dummy0: left allmulticast mode
[ 1714.111806] dummy0: left promiscuous mode
[ 1714.111832] br0: port 1(dummy0) entered disabled state