[ 1999.807055][ T4971] xdummy0: entered promiscuous mode
[ 1999.815489][ T4971] xdummy0: left promiscuous mode
[ 1999.868303][ T4973] xdummy0: entered promiscuous mode
[ 1999.883990][ T4973] xdummy0: left promiscuous mode
[ 1999.947925][ T4975] xdummy0: entered promiscuous mode
[ 1999.956988][ T4975] xdummy0: left promiscuous mode