[ 2061.633705][T12329] br0: port 1(dummy0) entered blocking state
[ 2061.633842][T12329] br0: port 1(dummy0) entered disabled state
[ 2061.637161][T12329] dummy0: entered allmulticast mode
[ 2061.637648][T12329] dummy0: entered promiscuous mode
[ 2061.651035][T12330] br0: port 1(dummy0) entered blocking state
[ 2061.651177][T12330] br0: port 1(dummy0) entered forwarding state
[ 2062.828339][   T12] dummy0: left allmulticast mode
[ 2062.828459][   T12] dummy0: left promiscuous mode
[ 2062.828601][   T12] br0: port 1(dummy0) entered disabled state