This is really a feature but not a bug, it's called IPv6 privacy
extension.
** Changed in: network-manager (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1542523
Title:
IPv6 temporary addresses accumulate over time
Status in NetworkManager:
Invalid
Status in network-manager package in Ubuntu:
Invalid
Bug description:
On my office desktop machine I observe that it accumulates temporary
IPv6 addresses over time, even though all except one are marked as
deprecated already.
E.g. right now my IP list looks like this:
2: eno1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000
inet6 2620:101:80fc:224:ad8a:b15b:f83e:99e9/64 scope global temporary
dynamic
valid_lft 594471sec preferred_lft 75471sec
inet6 2620:101:80fc:224:7484:af8e:1051:52b9/64 scope global temporary
deprecated dynamic
valid_lft 508673sec preferred_lft 0sec
inet6 2620:101:80fc:224:3855:ba9f:c4ab:5784/64 scope global temporary
deprecated dynamic
valid_lft 422875sec preferred_lft 0sec
inet6 2620:101:80fc:224:ac16:b27:9fa4:4f5d/64 scope global temporary
deprecated dynamic
valid_lft 337078sec preferred_lft 0sec
inet6 2620:101:80fc:224:f0c6:8f9f:74b8:99ca/64 scope global temporary
deprecated dynamic
valid_lft 251280sec preferred_lft 0sec
inet6 2620:101:80fc:224:e070:5f9b:9783:bd0d/64 scope global temporary
deprecated dynamic
valid_lft 165483sec preferred_lft 0sec
inet6 2620:101:80fc:224:f46a:182b:e2c8:d026/64 scope global temporary
deprecated dynamic
valid_lft 79685sec preferred_lft 0sec
inet6 2620:101:80fc:224:baca:3aff:fea3:1b50/64 scope global mngtmpaddr
noprefixroute dynamic
valid_lft 2591996sec preferred_lft 604796sec
inet6 fe80::baca:3aff:fea3:1b50/64 scope link
valid_lft forever preferred_lft forever
Once I reboot the interface has only the one IP addressed based on MAC
address plus one temporary address.
I verified manually via 'netstat -anp' that no active network
connections or listening sockets remain on the interfaces which are
marked as deprecated.
I think the deprecated addresses should be removed once no socket is
any longer using the address.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: network-manager 1.0.4-0ubuntu5.2
ProcVersionSignature: Ubuntu 4.2.0-25.30-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Fri Feb 5 14:33:40 2016
IfupdownConfig:
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
InstallationDate: Installed on 2016-01-20 (16 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
IpRoute:
default via 10.252.24.1 dev eno1 proto static metric 100
10.252.24.0/21 dev eno1 proto kernel scope link src 10.252.25.160 metric
100
10.252.75.120 via 10.252.24.1 dev eno1 proto dhcp metric 100
IwConfig:
eno1 no wireless extensions.
lo no wireless extensions.
NetworkManager.state:
[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true
WimaxEnabled=true
RfKill:
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-con:
NAME UUID TYPE
TIMESTAMP TIMESTAMP-REAL AUTOCONNECT AUTOCONNECT-PRIORITY
READONLY DBUS-PATH ACTIVE DEVICE STATE
ACTIVE-PATH
Wired connection 1 9950bc89-c72d-4964-9a18-e3187649321e 802-3-ethernet
1454711368 Fri 05 Feb 2016 02:29:28 PM PST yes 0
no /org/freedesktop/NetworkManager/Settings/0 yes eno1 activated
/org/freedesktop/NetworkManager/ActiveConnection/1
nmcli-dev:
DEVICE TYPE STATE DBUS-PATH
CONNECTION CON-UUID CON-PATH
eno1 ethernet connected /org/freedesktop/NetworkManager/Devices/0
Wired connection 1 9950bc89-c72d-4964-9a18-e3187649321e
/org/freedesktop/NetworkManager/ActiveConnection/1
lo loopback unmanaged /org/freedesktop/NetworkManager/Devices/1 --
-- --
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code
2: Error: Object 'nm' is unknown, try 'nmcli help'.
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