Public bug reported:

This is on Ubuntu 14.04 LTS 64-bit with the last update done on
03/09/2016.

I setup wide-dhcpv6 client on my home network to grab IPv6 addresses
from my ISP.  The /128 address for my firewall is fine and after 24
hours I see in the logs the address just for this external interface
being renewed, but the /60 based address block I request for a few
internal subnets for my home network do not renew and after 24 hours the
ISP stops routing to them.  I did a Wireshark capture and all looked
well, in particular the IA_PD vltime value looks correct, specifically
0x00015180.  However when I run the wide-dhcpv6 client with the -D debug
option, I see an incorrect value, specifically 0x7FFF00015180, which is
48-bits long while the hex dumped field in Wireshark is only 32-bits
long.  These extra bytes don't belong and are not part of the reply from
my ISP's server.  Ergo, this must be a fault on the wide-dhcpv6 client
side.

** Affects: wide-dhcpv6 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: 14.04lts ipv6 renew wide-dhcpv6

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https://bugs.launchpad.net/bugs/1559741

Title:
  wide-dhcpv6 client apparently sets incorrect PD specfic vltime

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