[ 1799.371112] br0: port 1(dummy0) entered blocking state
[ 1799.371154] br0: port 1(dummy0) entered disabled state
[ 1799.371188] dummy0: entered allmulticast mode
[ 1799.371235] dummy0: entered promiscuous mode
[ 1799.374678] br0: port 1(dummy0) entered blocking state
[ 1799.374712] br0: port 1(dummy0) entered forwarding state
[ 1799.632113] dummy0: left allmulticast mode
[ 1799.632144] dummy0: left promiscuous mode
[ 1799.632177] br0: port 1(dummy0) entered disabled state