ifchd.c: If resolv_conf_fd < 0, it is invalid.  -1 is the explicit uninitialized value, but there is no need to limit the guard to -1.
ifchd.c: If resolv_conf_fd < 0, it is invalid.  -1 is the explicit
uninitialized value, but there is no need to limit the guard to -1.

niklata/ndhc