[ 1914.513775][T28057] br0: port 1(dummy0) entered blocking state
[ 1914.513955][T28057] br0: port 1(dummy0) entered disabled state
[ 1914.514124][T28057] dummy0: entered allmulticast mode
[ 1914.515096][T28057] dummy0: entered promiscuous mode
[ 1914.537680][T28058] br0: port 1(dummy0) entered blocking state
[ 1914.537932][T28058] br0: port 1(dummy0) entered forwarding state
[ 1916.478026][ T9537] dummy0: left allmulticast mode
[ 1916.478894][ T9537] dummy0: left promiscuous mode
[ 1916.479121][ T9537] br0: port 1(dummy0) entered disabled state