[ 1788.854201] br0: port 1(dummy0) entered blocking state
[ 1788.854244] br0: port 1(dummy0) entered disabled state
[ 1788.854272] dummy0: entered allmulticast mode
[ 1788.854325] dummy0: entered promiscuous mode
[ 1788.857992] br0: port 1(dummy0) entered blocking state
[ 1788.858060] br0: port 1(dummy0) entered forwarding state
[ 1789.131245] dummy0: left allmulticast mode
[ 1789.131281] dummy0: left promiscuous mode
[ 1789.131342] br0: port 1(dummy0) entered disabled state