Public bug reported:
---Problem Description---
network lost after large number of reboots (>500)
Contact Information = [email protected]
---uname output---
Linux s8330025 4.4.0-2-generic #16-Ubuntu SMP Thu Jan 28 15:44:18 UTC 2016
s390x s390x s390x GNU/Linux
Machine Type = s390 z/VM Guest
---Steps to Reproduce---
reboot z/VM guest several times >500. After a large number of reboots the
network interfaces doesn't come up any more. The z/VM guest boots fine, unless
the missing network. Impossible to bring up network again manually.
==
Further debug shows that it is the "ip link set enccw0.0.f5f0 up" that
is failing with "RTNETLINK answers: Operation not permitted". Looking
for further debug assistance in determining why the CAP_NET_ADMIN check
for the root user running ip might be failing.
** Affects: linux (Ubuntu)
Importance: Undecided
Assignee: Skipper Bug Screeners (skipper-screen-team)
Status: New
** Tags: architecture-s39064 bot-comment bugnameltc-136706 severity-high
targetmilestone-inin1604
** Tags added: architecture-s39064 bugnameltc-136706 severity-high
targetmilestone-inin1604
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https://bugs.launchpad.net/bugs/1552788
Title:
network lost after large number of reboots
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