[ 1762.678661] br0: port 1(dummy0) entered blocking state
[ 1762.678699] br0: port 1(dummy0) entered disabled state
[ 1762.678737] dummy0: entered allmulticast mode
[ 1762.678785] dummy0: entered promiscuous mode
[ 1762.682404] br0: port 1(dummy0) entered blocking state
[ 1762.682470] br0: port 1(dummy0) entered forwarding state
[ 1762.952928] dummy0: left allmulticast mode
[ 1762.952959] dummy0: left promiscuous mode
[ 1762.952989] br0: port 1(dummy0) entered disabled state