[ 1894.160343][T17531] br0: port 1(dummy0) entered blocking state
[ 1894.160570][T17531] br0: port 1(dummy0) entered disabled state
[ 1894.160780][T17531] dummy0: entered allmulticast mode
[ 1894.161826][T17531] dummy0: entered promiscuous mode
[ 1894.199661][T17532] br0: port 1(dummy0) entered blocking state
[ 1894.199909][T17532] br0: port 1(dummy0) entered forwarding state
[ 1896.116932][   T69] dummy0: left allmulticast mode
[ 1896.117670][   T69] dummy0: left promiscuous mode
[ 1896.117892][   T69] br0: port 1(dummy0) entered disabled state