[ 1716.936416] br0: port 1(dummy0) entered blocking state
[ 1716.936490] br0: port 1(dummy0) entered disabled state
[ 1716.936560] dummy0: entered allmulticast mode
[ 1716.936652] dummy0: entered promiscuous mode
[ 1716.939507] br0: port 1(dummy0) entered blocking state
[ 1716.939536] br0: port 1(dummy0) entered forwarding state
[ 1717.130067] dummy0: left allmulticast mode
[ 1717.130094] dummy0: left promiscuous mode
[ 1717.130118] br0: port 1(dummy0) entered disabled state