- Only print a clarifying message about which HCI node has been used if there   is more than one HCI node present - Use errx(3) instead of err(3) if there is no HCI node present as errno   is 0 in this case and the resulting error message wouldn't make much sense
- Only print a clarifying message about which HCI node has been used if there
  is more than one HCI node present
- Use errx(3) instead of err(3) if there is no HCI node present as errno
  is 0 in this case and the resulting error message wouldn't make much sense

Approved by:	emax (mentor)

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase