GDB however tells a different story:
vyos@vyos# ps aux | grep cli root 1624 0.1 1.9 35212 19508 ? S 12:11 0:00 /bin/cli-shell-api showConfig root 1684 0.0 0.5 9492 5720 ? Ss Feb16 0:00 /sbin/dhclient -4 -nw -cf /var/lib/dhcp/dhclient_eth0.conf -pf /var/lib/dhcp/dhclient_eth0.pid -lf /var/lib/dhcp/dhclient_eth0.leases eth0 vyos 2534 0.0 0.0 6084 892 pts/0 S+ 12:22 0:00 grep cli