[ 4247.982114][  T521] xdummy0: entered promiscuous mode
[ 4247.999578][  T521] xdummy0: left promiscuous mode
[ 4248.108853][  T527] xdummy0: entered promiscuous mode
[ 4248.137695][  T527] xdummy0: left promiscuous mode
[ 4248.245573][  T529] xdummy0: entered promiscuous mode
[ 4248.258092][  T529] xdummy0: left promiscuous mode