[ 1813.760330] br0: port 1(dummy0) entered blocking state
[ 1813.760369] br0: port 1(dummy0) entered disabled state
[ 1813.760404] dummy0: entered allmulticast mode
[ 1813.760448] dummy0: entered promiscuous mode
[ 1813.763855] br0: port 1(dummy0) entered blocking state
[ 1813.763925] br0: port 1(dummy0) entered forwarding state
[ 1813.976988] dummy0: left allmulticast mode
[ 1813.977059] dummy0: left promiscuous mode
[ 1813.977126] br0: port 1(dummy0) entered disabled state