[ 1926.698490][T21617] br0: port 1(dummy0) entered blocking state
[ 1926.698719][T21617] br0: port 1(dummy0) entered disabled state
[ 1926.698937][T21617] dummy0: entered allmulticast mode
[ 1926.700197][T21617] dummy0: entered promiscuous mode
[ 1926.727337][T21618] br0: port 1(dummy0) entered blocking state
[ 1926.727518][T21618] br0: port 1(dummy0) entered forwarding state
[ 1928.675438][   T69] dummy0: left allmulticast mode
[ 1928.675620][   T69] dummy0: left promiscuous mode
[ 1928.675837][   T69] br0: port 1(dummy0) entered disabled state