[ 1745.482819] br0: port 1(dummy0) entered blocking state
[ 1745.482892] br0: port 1(dummy0) entered disabled state
[ 1745.482963] dummy0: entered allmulticast mode
[ 1745.483055] dummy0: entered promiscuous mode
[ 1745.486284] br0: port 1(dummy0) entered blocking state
[ 1745.486316] br0: port 1(dummy0) entered forwarding state
[ 1745.735036] dummy0: left allmulticast mode
[ 1745.735106] dummy0: left promiscuous mode
[ 1745.735175] br0: port 1(dummy0) entered disabled state