Any executable files in this directory will be triggered when the system's
connectivity state changes.

Environment variables supplied:
 - PATH: "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
 - IFACE: interface name
 - ADDRFAM: "layer2", "layer3", "inet", or "inet6"
 - METHOD: "manual" #not useful to scripts at this time
 - MODE: "start", "stop", or "first"
 - PHASE: "up", "down", or "first"
 - VERBOSITY: integer indicating how verbose output should be
              0-4: critical, error, warning, info, debug

