Log Message:
Update to nsd-3.0.8:
- better logging for nsd-notify and db creation failures
- nsdc start checks if nsd is already running
- fix loading data from files with relative names when chrootdir ends
  with a slash
- fix a case when nsd would return FORMERR for edns queries with version
  0 and rdlen larger than 0.
- don't answer nsec3 wildcard information when DO bit is not set