This bug was fixed in the package nplan - 0.25
---------------
nplan (0.25) artful; urgency=medium
* tests/generate.py: add a test to validate that correct blacklist entries
are added when creating virtual devices.
* tests/integration.py: clean up after br0 in networkd's test_bridge_mac; as
the remaining interface and udev configuration can confuse NetworkManager
now that it seems to manage random devices it did not create again.
(LP: #1699371)
* src/nm.c: set the MTU even though we also specify it in systemd-networkd
for consumption by udev. NetworkManager will try to set it and might
otherwise default to the wrong value.
* src/networkd.c: Set IPv6AcceptRA=no anytime we don't do DHCPv6 (or by the
same config, SLAAC), and don't have static addresses set. This should fix
the cases where unconfigured devices still get an IPv6 address.
(LP: #1655440)
* src/nm.c: Explicitly set IPv6 method=ignore when IPv6 is otherwise not
configured; this follows the same logic as setting IPv6AcceptRA=no in
networkd, with the exception that NM does not currently disable RAs. When
it does, an unconfigured device for IPv6 will truly be left with no config.
-- Mathieu Trudel-Lapierre <cypher...@ubuntu.com> Thu, 13 Jul 2017
16:22:18 -0400
** Changed in: nplan (Ubuntu)
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/1655440
Title:
"unconfigured" NIC can still get IPv6 addresses via RA
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