[ 1920.447590][T24882] br0: port 1(dummy0) entered blocking state
[ 1920.447869][T24882] br0: port 1(dummy0) entered disabled state
[ 1920.448108][T24882] dummy0: entered allmulticast mode
[ 1920.449785][T24882] dummy0: entered promiscuous mode
[ 1920.479151][T24883] br0: port 1(dummy0) entered blocking state
[ 1920.479468][T24883] br0: port 1(dummy0) entered forwarding state
[ 1922.447750][   T69] dummy0: left allmulticast mode
[ 1922.448095][   T69] dummy0: left promiscuous mode
[ 1922.448387][   T69] br0: port 1(dummy0) entered disabled state