[ 2038.959887][T30329] br0: port 1(dummy0) entered blocking state
[ 2038.960194][T30329] br0: port 1(dummy0) entered disabled state
[ 2038.960358][T30329] dummy0: entered allmulticast mode
[ 2038.961829][T30329] dummy0: entered promiscuous mode
[ 2038.994557][T30330] br0: port 1(dummy0) entered blocking state
[ 2038.994816][T30330] br0: port 1(dummy0) entered forwarding state
[ 2040.983785][   T12] dummy0: left allmulticast mode
[ 2040.984772][   T12] dummy0: left promiscuous mode
[ 2040.985073][   T12] br0: port 1(dummy0) entered disabled state