[ 2281.859784][T18369] br0: port 1(dummy0) entered blocking state
[ 2281.860094][T18369] br0: port 1(dummy0) entered disabled state
[ 2281.860368][T18369] dummy0: entered allmulticast mode
[ 2281.861643][T18369] dummy0: entered promiscuous mode
[ 2281.887838][T18370] br0: port 1(dummy0) entered blocking state
[ 2281.888241][T18370] br0: port 1(dummy0) entered forwarding state
[ 2284.243635][T15248] dummy0: left allmulticast mode
[ 2284.244131][T15248] dummy0: left promiscuous mode
[ 2284.244463][T15248] br0: port 1(dummy0) entered disabled state