dhclient --version (return code: 0)
dhclient -HELP (return code: 1)
Internet Systems Consortium DHCP Client 4.3.3 Copyright 2004-2015 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Usage: dhclient [-4|-6] [-SNTPI1dvrxi] [-nw] [-p <port>] [-D LL|LLT] [-s server-addr] [-cf config-file] [-df duid-file] [-lf lease-file] [-pf pid-file] [--no-pid] [-e VAR=val] [-sf script-file] [interface] If you think you have received this message due to a bug rather than a configuration issue please read the section on submitting bugs on either our web page at www.isc.org or in the README file before submitting a bug. These pages explain the proper process and the information we find helpful for debugging.. exiting.