[root@build-centos-x86-64 ~]# ntpd -gdq
ntpd 4.2.2p1@1.1570-o Tue Jun 10 00:07:14 UTC 2008 (1)
addto_syslog: precision = 18.000 usec
create_sockets(123)
addto_syslog: ntp_io: estimated max descriptors: 1024, initial socket boundary: 16
bind() fd 16, family 2, port 123, addr 0.0.0.0, flags=9
Added addr 0.0.0.0 to list of addresses
addto_syslog: Listening on interface wildcard, 0.0.0.0#123 Disabled
bind() fd 17, family 10, port 123, addr ::, flags=1
Added addr :: to list of addresses
addto_syslog: Listening on interface wildcard, ::#123 Disabled
bind() fd 18, family 10, port 123, addr ::1, flags=1
Added addr ::1 to list of addresses
addto_syslog: Listening on interface lo, ::1#123 Enabled
bind() fd 19, family 10, port 123, addr fe80::a00:27ff:fe15:1ad7, flags=1
Added addr fe80::a00:27ff:fe15:1ad7 to list of addresses
addto_syslog: Listening on interface eth0, fe80::a00:27ff:fe15:1ad7#123 Enabled
bind() fd 20, family 2, port 123, addr 127.0.0.1, flags=5
Added addr 127.0.0.1 to list of addresses
addto_syslog: Listening on interface lo, 127.0.0.1#123 Enabled
bind() fd 21, family 2, port 123, addr 10.0.2.15, flags=25
Added addr 10.0.2.15 to list of addresses
addto_syslog: Listening on interface eth0, 10.0.2.15#123 Enabled
init_io: maxactivefd 21
local_clock: time 0 base 0.000000 offset 0.000000 freq 0.000 state 0
key_expire: at 0
peer_clear: at 0 next 1 assoc ID 56085 refid INIT
newpeer: 10.0.2.15->131.107.13.100 mode 3 vers 4 poll 6 10 flags 0x201 0x1 ttl 0 key 00000000
addto_syslog: frequency initialized 0.000 PPM from /var/lib/ntp/drift
local_clock: time 0 base 0.000000 offset 0.000000 freq 0.000 state 1
report_event: system event 'event_restart' (0x01) status 'sync_alarm, sync_unspec, 1 event, event_unspec' (0xc010)
transmit: at 1 10.0.2.15->131.107.13.100 mode 3
auth_agekeys: at 1 keys 1 expired 0
timer: refresh ts 0
receive: at 1 10.0.2.15<-131.107.13.100 mode 4 code 1 auth 0
peer 131.107.13.100 event 'event_reach' (0x84) status 'unreach, conf, 1 event, event_reach' (0x8014)
clock_filter: n 1 off -12576.390214 del 0.433238 dsp 7.937511 jit 0.000015, age 0
transmit: at 3 10.0.2.15->131.107.13.100 mode 3
receive: at 3 10.0.2.15<-131.107.13.100 mode 4 code 1 auth 0
clock_filter: n 2 off -12577.337821 del 0.342102 dsp 3.937523 jit 0.947607, age 0
transmit: at 5 10.0.2.15->131.107.13.100 mode 3
receive: at 5 10.0.2.15<-131.107.13.100 mode 4 code 1 auth 0
clock_filter: n 3 off -12577.337821 del 0.342102 dsp 1.937549 jit 1.116242, age 2
transmit: at 7 10.0.2.15->131.107.13.100 mode 3
receive: at 7 10.0.2.15<-131.107.13.100 mode 4 code 1 auth 0
clock_filter: n 4 off -12577.337821 del 0.342102 dsp 0.937575 jit 1.545261, age 4
transmit: at 9 10.0.2.15->131.107.13.100 mode 3
receive: at 9 10.0.2.15<-131.107.13.100 mode 4 code 1 auth 0
clock_filter: n 5 off -12577.337821 del 0.342102 dsp 0.437600 jit 2.026474, age 6
transmit: at 11 10.0.2.15->131.107.13.100 mode 3
transmit: at 13 10.0.2.15->131.107.13.100 mode 3
transmit: at 15 10.0.2.15->131.107.13.100 mode 3
addto_syslog: no reply; clock not set