[ 1759.219141] br0: port 1(dummy0) entered blocking state
[ 1759.219253] br0: port 1(dummy0) entered disabled state
[ 1759.219323] dummy0: entered allmulticast mode
[ 1759.219415] dummy0: entered promiscuous mode
[ 1759.222366] br0: port 1(dummy0) entered blocking state
[ 1759.222401] br0: port 1(dummy0) entered forwarding state
[ 1759.411700] dummy0: left allmulticast mode
[ 1759.411790] dummy0: left promiscuous mode
[ 1759.411862] br0: port 1(dummy0) entered disabled state