[ 2168.025010][T24654] br0: port 1(dummy0) entered blocking state
[ 2168.025318][T24654] br0: port 1(dummy0) entered disabled state
[ 2168.025595][T24654] dummy0: entered allmulticast mode
[ 2168.026769][T24654] dummy0: entered promiscuous mode
[ 2168.062883][T24655] br0: port 1(dummy0) entered blocking state
[ 2168.063512][T24655] br0: port 1(dummy0) entered forwarding state
[ 2170.472652][   T71] dummy0: left allmulticast mode
[ 2170.473515][   T71] dummy0: left promiscuous mode
[ 2170.473876][   T71] br0: port 1(dummy0) entered disabled state