[ 1732.621418] br0: port 1(dummy0) entered blocking state
[ 1732.621466] br0: port 1(dummy0) entered disabled state
[ 1732.621507] dummy0: entered allmulticast mode
[ 1732.621562] dummy0: entered promiscuous mode
[ 1732.624932] br0: port 1(dummy0) entered blocking state
[ 1732.624965] br0: port 1(dummy0) entered forwarding state
[ 1732.842209] dummy0: left allmulticast mode
[ 1732.842254] dummy0: left promiscuous mode
[ 1732.842293] br0: port 1(dummy0) entered disabled state