[ 2127.880149][ T9621] br0: port 1(dummy0) entered blocking state
[ 2127.880334][ T9621] br0: port 1(dummy0) entered disabled state
[ 2127.880502][ T9621] dummy0: entered allmulticast mode
[ 2127.881374][ T9621] dummy0: entered promiscuous mode
[ 2127.914319][ T9622] br0: port 1(dummy0) entered blocking state
[ 2127.914508][ T9622] br0: port 1(dummy0) entered forwarding state
[ 2130.161800][   T69] dummy0: left allmulticast mode
[ 2130.162441][   T69] dummy0: left promiscuous mode
[ 2130.162896][   T69] br0: port 1(dummy0) entered disabled state