Package: isc-dhcp-client Version: 4.3.5-3+deb9u1 Severity: normal Tags: ipv6
After few hours of running dhclient -6 it crashed. root@blacksquare:~# dhclient -6 -d -v -cf /etc/dhcp/dhclient6.conf -P enp3s0 Internet Systems Consortium DHCP Client 4.3.5 Copyright 2004-2016 Internet Systems Consortium. All rights reserved. For info, please visit https://www.isc.org/software/dhcp/ Listening on Socket/enp3s0 Sending on Socket/enp3s0 Created duid "\000\001\000\001\"t\xxx\xxx\xxx\xxx\xxx". PRC: Soliciting for leases (INIT). XMT: Forming Solicit, 0 ms elapsed. XMT: X-- IA_PD 2e:6c:kk:ll XMT: | X-- Request renew in +3600 XMT: | X-- Request rebind in +5400 XMT: Solicit on enp3s0, interval 1050ms. RCV: Advertise message on enp3s0 from fe80::8a43:e1ff:xxxx:xxxx. RCV: X-- Preference 0. RCV: X-- IA_NA " e" RCV: | X-- starts 1524755042 RCV: | X-- t1 - renew +1200 RCV: | X-- t2 - rebind +1800 RCV: | X-- [Options] RCV: | | X-- IAADDR 2a02:168:xxxx:xx:xx:xx:xx:xx RCV: | | | X-- Preferred lifetime 3600. RCV: | | | X-- Max lifetime 86400. RCV: X-- IA_PD 00:00:00:00 RCV: | X-- starts 1524755042 RCV: | X-- t1 - renew +1200 RCV: | X-- t2 - rebind +1800 RCV: | X-- [Options] RCV: | | X-- IAPREFIX 2a02:168:xxxx::/48 RCV: | | | X-- Preferred lifetime 3600. RCV: | | | X-- Max lifetime 86400. RCV: X-- IA_PD 2e:6c:kk:ll RCV: | X-- starts 1524755042 RCV: | X-- t1 - renew +1200 RCV: | X-- t2 - rebind +1800 RCV: | X-- [Options] RCV: | | X-- IAPREFIX 2a02:168:xxxx::/48 RCV: | | | X-- Preferred lifetime 3600. RCV: | | | X-- Max lifetime 86400. RCV: X-- Server ID: 00:01:00:01:x:y:z:x:y:z:x:y:z IA_NA status code Success: "Assigned an address." IA_PD status code Success: "Assigned fixed in-pool prefix." IA_PD status code Success: "Assigned fixed in-pool prefix." RCV: Advertisement recorded. RCV: Advertise message on enp3s0 from fe80::8a43:e1ff:xxxx:xxxx. RCV: X-- Preference 0. RCV: X-- IA_NA " e" RCV: | X-- starts 1524755042 RCV: | X-- t1 - renew +1200 RCV: | X-- t2 - rebind +1800 RCV: | X-- [Options] RCV: | | X-- IAADDR 2a02:168:xxxx:xx:xx:xx:xx:xx RCV: | | | X-- Preferred lifetime 3600. RCV: | | | X-- Max lifetime 86400. RCV: X-- IA_PD "cito" RCV: | X-- starts 1524755042 RCV: | X-- t1 - renew +1200 RCV: | X-- t2 - rebind +1800 RCV: | X-- [Options] RCV: | | X-- IAPREFIX 2a02:168:xxxx::/48 RCV: | | | X-- Preferred lifetime 3600. RCV: | | | X-- Max lifetime 86400. RCV: X-- IA_PD 2e:6c:kk:ll RCV: | X-- starts 1524755042 RCV: | X-- t1 - renew +1200 RCV: | X-- t2 - rebind +1800 RCV: | X-- [Options] RCV: | | X-- IAPREFIX 2a02:168:xxxx::/48 RCV: | | | X-- Preferred lifetime 3600. RCV: | | | X-- Max lifetime 86400. RCV: X-- Server ID: 00:01:00:01:x:y:z:a:b:c:d:e IA_NA status code Success: "Assigned an address." IA_PD status code Success: "Assigned fixed in-pool prefix." IA_PD status code Success: "Assigned fixed in-pool prefix." RCV: Advertisement recorded. PRC: Selecting best advertised lease. PRC: Considering best lease. PRC: X-- Initial candidate 00:01:00:01:x:y:z:x:y:z:x:y:z (s: 30302, p: 0). PRC: X-- Candidate 00:01:00:01:x:y:z:a:b:c:d:e (s: 30302, p: 0). PRC: | X-- Selected, equal preference, equal score, binary lesser server ID. XMT: Forming Request, 0 ms elapsed. XMT: X-- IA_PD "cito" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Request on enp3s0, interval 980ms. RCV: Reply message on enp3s0 from fe80::8a43:e1ff:xxxx:xxxx. RCV: X-- Preference 0. RCV: X-- IA_NA " e" RCV: | X-- starts 1524755043 RCV: | X-- t1 - renew +1200 RCV: | X-- t2 - rebind +1800 RCV: | X-- [Options] RCV: | | X-- IAADDR 2a02:168:xxxx:xx:xx:xx:xx:xx RCV: | | | X-- Preferred lifetime 3600. RCV: | | | X-- Max lifetime 86400. RCV: X-- IA_PD "gube" RCV: | X-- starts 1524755043 RCV: | X-- t1 - renew +1200 RCV: | X-- t2 - rebind +1800 RCV: | X-- [Options] RCV: | | X-- IAPREFIX 2a02:168:xxxx::/48 RCV: | | | X-- Preferred lifetime 3600. RCV: | | | X-- Max lifetime 86400. RCV: X-- IA_PD "cito" RCV: | X-- starts 1524755043 RCV: | X-- t1 - renew +1200 RCV: | X-- t2 - rebind +1800 RCV: | X-- [Options] RCV: | | X-- IAPREFIX 2a02:168:xxxx::/48 RCV: | | | X-- Preferred lifetime 3600. RCV: | | | X-- Max lifetime 86400. RCV: X-- Server ID: 00:01:00:01:x:y:z:a:b:c:d:e IA_NA status code Success: "Assigned an address." IA_PD status code Success: "Assigned fixed in-pool prefix." IA_PD status code Success: "Assigned fixed in-pool prefix." PRC: Bound to lease 00:01:00:01:x:y:z:a:b:c:d:e. RTNETLINK answers: File exists RTNETLINK answers: File exists PRC: Renewal event scheduled in 1200 seconds, to run for 600 seconds. PRC: Depreference scheduled in 3600 seconds. PRC: Expiration scheduled in 86400 seconds. PRC: Renewing lease on enp3s0. XMT: Forming Renew, 0 ms elapsed. XMT: X-- IA_PD "gube" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Renew on enp3s0, interval 9970ms. XMT: Forming Renew, 9980 ms elapsed. XMT: X-- IA_PD "gube" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Renew on enp3s0, interval 20220ms. XMT: Forming Renew, 30220 ms elapsed. XMT: X-- IA_PD "gube" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Renew on enp3s0, interval 40970ms. XMT: Forming Renew, 71190 ms elapsed. XMT: X-- IA_PD "gube" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Renew on enp3s0, interval 85260ms. XMT: Forming Renew, 156530 ms elapsed. XMT: X-- IA_PD "gube" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Renew on enp3s0, interval 169520ms. XMT: Forming Renew, 326150 ms elapsed. XMT: X-- IA_PD "gube" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Renew on enp3s0, interval 243950ms. PRC: Rebind event scheduled in 0 seconds, to run for 84600 seconds. PRC: Depreference scheduled in 1800 seconds. PRC: Expiration scheduled in 84600 seconds. PRC: Rebinding lease on enp3s0. XMT: Forming Rebind, 0 ms elapsed. XMT: X-- IA_PD "gube" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Rebind on enp3s0, interval 10250ms. RCV: Reply message on enp3s0 from fe80::8a43:e1ff:xxxx:xxxx. RCV: X-- Preference 0. RCV: X-- IA_NA " e" RCV: | X-- starts 1524756843 RCV: | X-- t1 - renew +1200 RCV: | X-- t2 - rebind +1800 RCV: | X-- [Options] RCV: | | X-- IAADDR 2a02:168:xxxx:xx:xx:xx:xx:xx RCV: | | | X-- Preferred lifetime 3600. RCV: | | | X-- Max lifetime 86400. RCV: X-- IA_PD d5:5b:06:27 RCV: | X-- starts 1524756843 RCV: | X-- t1 - renew +0 RCV: | X-- t2 - rebind +0 RCV: | !-- Status code of no prefix, IA_PD discarded. RCV: X-- IA_PD "gube" RCV: | X-- starts 1524756843 RCV: | X-- t1 - renew +3600 RCV: | X-- t2 - rebind +5400 RCV: | !-- Status code of no prefix, IA_PD discarded. RCV: X-- Server ID: 00:01:00:01:x:y:z:a:b:c:d:e IA_NA status code Success: "Greetings from planet Earth" PRC: Bound to lease 00:01:00:01:x:y:z:a:b:c:d:e. RTNETLINK answers: File exists RTNETLINK answers: File exists PRC: Renewal event scheduled in 1200 seconds, to run for 600 seconds. PRC: Depreference scheduled in 1800 seconds. PRC: Expiration scheduled in 84600 seconds. PRC: Renewing lease on enp3s0. XMT: Forming Renew, 0 ms elapsed. XMT: X-- IA_PD "gube" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Renew on enp3s0, interval 10660ms. XMT: Forming Renew, 10670 ms elapsed. XMT: X-- IA_PD "gube" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Renew on enp3s0, interval 20830ms. XMT: Forming Renew, 31520 ms elapsed. XMT: X-- IA_PD "gube" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Renew on enp3s0, interval 39590ms. XMT: Forming Renew, 71120 ms elapsed. XMT: X-- IA_PD "gube" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Renew on enp3s0, interval 77870ms. XMT: Forming Renew, 149070 ms elapsed. XMT: X-- IA_PD "gube" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Renew on enp3s0, interval 155470ms. XMT: Forming Renew, 304560 ms elapsed. XMT: X-- IA_PD "gube" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Renew on enp3s0, interval 295460ms. PRC: Prefix 2a02:168:xxxx::/48 depreferred. PRC: Prefix 2a02:168:xxxx::/48 depreferred. PRC: Rebind event scheduled in 0 seconds, to run for 84600 seconds. PRC: Depreference scheduled in 1800 seconds. PRC: Expiration scheduled in 82800 seconds. XMT: Forming Renew, 600030 ms elapsed. XMT: X-- IA_PD "gube" XMT: | X-- Requested renew +3600 XMT: | X-- Requested rebind +5400 XMT: | | X-- IAPREFIX 2a02:168:xxxx::/48 XMT: | | | X-- Preferred lifetime +7200 XMT: | | | X-- Max lifetime +7500 XMT: V IA_PD appended. XMT: Renew on enp3s0, interval 00ms. Impossible condition at dhc6.c:268. If you think you have received this message due to a bug rather than a configuration issue please read the section on submitting bugs on either our web page at www.isc.org or in the README file before submitting a bug. These pages explain the proper process and the information we find helpful for debugging.. exiting. root@blacksquare:~# Maybe the other instance of dhcp (with -4 option): root 24745 0.0 0.0 20472 2932 ? Ss 02:46 0:00 /sbin/dhclient -4 -v -pf /run/dhclient.enp3s0.pid -lf /var/lib/dhcp/dhclient.enp3s0.leases -I -df /var/lib/dhcp/dhclient6.enp3s0.leases enp3s0 is interfering? This dhclient -4 is started by ifup enp3s0, for my /etc/netwrok/interfaces: auto enp3s0 iface enp3s0 inet dhcp Best regards, Witold
