ntp_gettime() returns code 5 (ERROR)
  time cadc5ac6.c9969000  Wed, Nov  7 2007 15:39:50.787, (.787454),
  maximum error 16384000 us, estimated error 16384000 us
ntp_adjtime() returns code 5 (ERROR)
  modes 0x0 (),
  offset 0.000 us, frequency 0.000 ppm, interval 4 s,
  maximum error 16384000 us, estimated error 16384000 us,
  status 0x40 (UNSYNC),
  time constant 2, precision 1.000 us, tolerance 512 ppm,
  pps frequency 0.000 ppm, stability 512.000 ppm, jitter 200.000 us,
  intervals 0, jitter exceeded 0, stability exceeded 0, errors 0.