[ 2047.670246][T19486] br0: port 1(dummy0) entered blocking state
[ 2047.670441][T19486] br0: port 1(dummy0) entered disabled state
[ 2047.670601][T19486] dummy0: entered allmulticast mode
[ 2047.671695][T19486] dummy0: entered promiscuous mode
[ 2047.701215][T19487] br0: port 1(dummy0) entered blocking state
[ 2047.701389][T19487] br0: port 1(dummy0) entered forwarding state
[ 2049.639589][   T66] dummy0: left allmulticast mode
[ 2049.640531][   T66] dummy0: left promiscuous mode
[ 2049.640758][   T66] br0: port 1(dummy0) entered disabled state