Well this is a consequence of this upstream change in iproute2:
https://git.kernel.org/pub/scm/network/iproute2/iproute2.git/commit/?h=v4.16.0&id=ba2fc55b99f8363c80ce36681bc1ec97690b66f5.
Upstream discussion, such as it is, of the patch appears to be here:
https://lore.kernel.org/netdev/20180327162419.8962-1-bl...@debian.org/
Probably the next step is to email the netdev list about this. Is that
something you would be interested in doing? You are probably better able
to explain your use case than I am!
** Changed in: iproute2 (Ubuntu)
Status: New => Triaged
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https://bugs.launchpad.net/bugs/1856045
Title:
capabilities set with setcap are not honoured
Status in iproute2 package in Ubuntu:
Triaged
Status in iproute2 source package in Eoan:
Confirmed
Bug description:
Hi,
In Ubuntu 19.10 I set capabilities as;
setcap cap_net_admin,cap_sys_admin+ep /bin/ip
getcap /bin/ip
/bin/ip = cap_net_admin,cap_sys_admin+ep
but;
> ip addr add 20.20.20.20/32 dev lo
RTNETLINK answers: Operation not permitted
*exactly* the same works perfect on 18.04.3 LTS.
BTW the set of a silly address on "lo" is just an example.
Nothing works on Ubuntu 19.10
Regards,
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: libcap2-bin 1:2.25-2
ProcVersionSignature: Ubuntu 5.3.0-24.26-generic 5.3.10
Uname: Linux 5.3.0-24-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
Date: Wed Dec 11 15:27:00 2019
InstallationDate: Installed on 2019-12-09 (2 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
SourcePackage: libcap2
UpgradeStatus: No upgrade log present (probably fresh install)
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