[ 1765.724391] br0: port 1(dummy0) entered blocking state
[ 1765.724432] br0: port 1(dummy0) entered disabled state
[ 1765.724467] dummy0: entered allmulticast mode
[ 1765.724520] dummy0: entered promiscuous mode
[ 1765.728248] br0: port 1(dummy0) entered blocking state
[ 1765.728312] br0: port 1(dummy0) entered forwarding state
[ 1766.008699] dummy0: left allmulticast mode
[ 1766.008764] dummy0: left promiscuous mode
[ 1766.008854] br0: port 1(dummy0) entered disabled state