[ 4480.134502][T21228] xdummy0: entered promiscuous mode
[ 4480.157247][T21228] xdummy0: left promiscuous mode
[ 4480.266819][T21234] xdummy0: entered promiscuous mode
[ 4480.278144][T21234] xdummy0: left promiscuous mode
[ 4480.386837][T21236] xdummy0: entered promiscuous mode
[ 4480.396464][T21236] xdummy0: left promiscuous mode