[   88.389045][ T2147] br0: port 1(dummy0) entered blocking state
[   88.389874][ T2147] br0: port 1(dummy0) entered disabled state
[   88.390108][ T2147] dummy0: entered allmulticast mode
[   88.391361][ T2147] dummy0: entered promiscuous mode
[   88.421746][ T2148] br0: port 1(dummy0) entered blocking state
[   88.422015][ T2148] br0: port 1(dummy0) entered forwarding state
[   90.244318][   T70] dummy0: left allmulticast mode
[   90.244598][   T70] dummy0: left promiscuous mode
[   90.245021][   T70] br0: port 1(dummy0) entered disabled state