** Also affects: ubuntu-z-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-z-systems
Importance: Undecided => High
** Changed in: ubuntu-z-systems
Assignee: (unassigned) => Canonical Server Team (canonical-server)
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https://bugs.launchpad.net/bugs/1626826
Title:
KVM guest cannot use br0 created by brctl on Ubuntu16.04
Status in Ubuntu on IBM z Systems:
New
Status in bridge-utils package in Ubuntu:
New
Bug description:
== Comment: #0 - QI YE - 2016-09-22 06:01:59 ==
---Problem Description---
Ubuntu16.04. Created a bridge br0 on enc100 via brctl. enc100 is the only
external accessible nic. Defined a ubuntu guest to use br0 and assigned an IP
to the guest in the same subnet as br0. After started the guest, couldn't
access external servers or internet from the guest.
---uname output---
Linux ntc170 4.4.0-38-generic #57-Ubuntu SMP Tue Sep 6 15:47:15 UTC 2016
s390x s 390x s390x GNU/Linux
Machine Type = 2827 (z Systems EC12)
---Debugger---
A debugger is not configured
---Steps to Reproduce---
1. define br0 on enc100 via brctl command (IP on br0 is 192.168.1.170 for
example)
2. update /etc/network/interfaces
3. create a guest on KVM and use br0 for it's nic
4. Start guest via virsh command and assign an IP, e.g. 192.168.1.171. After
installation, cannot access external systems via KVM host.
== Comment: #2 - QI YE - 2016-09-22 09:53:58 ==
attached sosreport file
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