ubuntu@XXXX:/var/cache/bind$ ps aux | grep -e enp2s0f1 -e dhclient
root      6657  0.0  0.0  16124  1100 ?        Ss   Jun08   0:00 /sbin/dhclient -1 -v -pf /run/dhclient.eno1.pid -lf /var/lib/dhcp/dhclient.eno1.leases -I -df /var/lib/dhcp/dhclient6.eno1.leases eno1
root     18769  0.0  0.0  16128  2680 ?        Ss   Jun27   0:02 dhclient -4
root     18859  0.0  0.0  16128  2916 ?        Ss   Jun27   0:02 dhclient -v
ubuntu   20802  0.0  0.0  14244  1028 pts/6    S+   20:02   0:00 grep --color=auto -e enp2s0f1 -e dhclient