[ 2092.876831] br0: port 1(dummy0) entered blocking state
[ 2092.876872] br0: port 1(dummy0) entered disabled state
[ 2092.876910] dummy0: entered allmulticast mode
[ 2092.876966] dummy0: entered promiscuous mode
[ 2092.880392] br0: port 1(dummy0) entered blocking state
[ 2092.880454] br0: port 1(dummy0) entered forwarding state
[ 2093.110282] dummy0: left allmulticast mode
[ 2093.110328] dummy0: left promiscuous mode
[ 2093.110387] br0: port 1(dummy0) entered disabled state