Chez Bouygues, j'ai aussi un changement tous les 24h voir un peu plus souvent ces derniers jours d'après mon script, exemple sur 3 jours consécutifs :
Sep 12 03:02:32 clat bash[2034681]: All pings failed, checking IPv4 HTTP fallback...
Sep 12 03:02:35 clat bash[2034681]: Waiting for IPv6 connectivity...
Sep 12 03:02:36 clat bash[2034681]: IPv6 available via ICMP
Sep 12 03:02:36 clat bash[2034681]: Restarting clatd service
Sep 12 03:02:36 clat bash[2034681]: Deleted deprecated IP: 2a04:cec0:105e:1542:be24:11ff:feb7:77d/64 on interface:
Sep 12 03:02:41 clat bash[2034681]: clatd restarted
Sep 13 03:02:45 clat bash[2034681]: All pings failed, checking IPv4 HTTP fallback...
Sep 13 03:02:48 clat bash[2034681]: Waiting for IPv6 connectivity...
Sep 13 03:02:49 clat bash[2034681]: IPv6 available via ICMP
Sep 13 03:02:49 clat bash[2034681]: Restarting clatd service
Sep 13 03:02:50 clat bash[2034681]: Deleted deprecated IP: 2a04:cec0:11d7:f8b8:be24:11ff:feb7:77d/64 on interface:
Sep 13 03:02:55 clat bash[2034681]: clatd restarted
Sep 14 03:02:36 clat bash[2034681]: All pings failed, checking IPv4 HTTP fallback...
Sep 14 03:02:39 clat bash[2034681]: Waiting for IPv6 connectivity...
Sep 14 03:02:40 clat bash[2034681]: IPv6 available via ICMP
Sep 14 03:02:40 clat bash[2034681]: Restarting clatd service
Sep 14 03:02:41 clat bash[2034681]: Deleted deprecated IP: 2a04:cec0:10e7:21b7:be24:11ff:feb7:77d/64 on interface:
Sep 14 03:02:46 clat bash[2034681]: clatd restarted
Sep 15 03:02:38 clat bash[2034681]: All pings failed, checking IPv4 HTTP fallback...
Sep 15 03:02:41 clat bash[2034681]: Waiting for IPv6 connectivity...
Sep 15 03:02:45 clat bash[2034681]: ICMPv6 failed, trying HTTP fallback...
Sep 15 03:02:46 clat bash[2034681]: IPv6 HTTP reachable despite ICMP failure
Sep 15 03:02:46 clat bash[2034681]: Restarting clatd service