[ 2322.956963][T23712] br0: port 1(dummy0) entered blocking state
[ 2322.957309][T23712] br0: port 1(dummy0) entered disabled state
[ 2322.957634][T23712] dummy0: entered allmulticast mode
[ 2322.958661][T23712] dummy0: entered promiscuous mode
[ 2322.985828][T23713] br0: port 1(dummy0) entered blocking state
[ 2322.986266][T23713] br0: port 1(dummy0) entered forwarding state
[ 2325.326843][   T12] dummy0: left allmulticast mode
[ 2325.327998][   T12] dummy0: left promiscuous mode
[ 2325.328343][   T12] br0: port 1(dummy0) entered disabled state