[Bug 1757369] Re: Network does not come up after installing bionic daily (2018-03-21) on s390x

[Frank Heimes]

** Changed in: ubuntu-z-systems
       Status: Confirmed => Fix Committed

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https://bugs.launchpad.net/bugs/1757369

Title:
  Network does not come up after installing bionic daily (2018-03-21) on
  s390x

Status in Ubuntu on IBM z Systems:
  Fix Committed
Status in s390-sysconfig-writer package in Ubuntu:
  Fix Committed

Bug description:
  After installing bionic daily from 2018-03-21 (in either LPAR or on
  z/VM - KVM not tried yet) the network does not come up after the post
  install reboot.

  $ ip addr show
  1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group defaul
  t qlen 1000
      link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
      inet 127.0.0.1/8 scope host lo
         valid_lft forever preferred_lft forever
      inet6 ::1/128 scope host 
         valid_lft forever preferred_lft forever

  $ cat /etc/netplan/01-netcfg.yaml
  # This file describes the network interfaces available on your system
  # For more information, see netplan(5).
  network:
    version: 2
    renderer: networkd
    ethernets:
      encc000:
        dhcp4: no
        dhcp6: no
    vlans:
      encc000.2653:
        link: encc000
        id: 2653
        addresses: [ 10.245.236.11/24 ]
        gateway4: 10.245.236.1
        nameservers:
            search: [ canonical.com ]
            addresses:
                - 10.245.236.1

  See attachment for dmesg output ...

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