[Bug 1914740] Re: IPs are not assigned for Hipersockets in DHCP mode

[Mathew Hodson]

** No longer affects: isc-dhcp (Ubuntu)

** No longer affects: netplan.io (Ubuntu Focal)

** No longer affects: netplan.io (Ubuntu Hirsute)

** No longer affects: netplan.io (Ubuntu Impish)

** No longer affects: netplan.io (Ubuntu)

** Changed in: systemd (Ubuntu Focal)
   Importance: Undecided => High

** Changed in: systemd (Ubuntu Hirsute)
   Importance: Undecided => High

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https://bugs.launchpad.net/bugs/1914740

Title:
  IPs are not assigned for Hipersockets in DHCP mode

Status in Ubuntu on IBM z Systems:
  Fix Released
Status in systemd package in Ubuntu:
  Fix Released
Status in systemd source package in Focal:
  Fix Released
Status in systemd source package in Hirsute:
  Fix Released
Status in systemd source package in Impish:
  Fix Released

Bug description:
  ---Problem Description---
  IPs are not getting assigned for Hipersockets in DHCP mode
   
  Contact Information = Asha Shekharappa(ashshekh at in.ibm.com)  Sankar(sankar453 at in.ibm.com) 
   
  ---uname output---
  52-Ubuntu SMP Thu Sep 10 10:59:04 UTC 2020 s390x s390x s390x GNU/Linux
   
  Machine Type = s390x 
   
  ---Debugger---
  A debugger is not configured
   
  ---Steps to Reproduce---
   Ubuntu 20.04
  Netplan with systemd-networkd as renderer

  Creating ethernet connection on Hipersockets device in DHCP mode fails
  to assign IPs

  1. Configure a Hipersockets device
     chzdev -e 0.0.8f00

  2. Create a .yaml file with the below details

  network:
      version: 2
      ethernets:
          enc8f00:
              dhcp4: yes

  3. netplan apply

  
  4. The IP is not assigned as seen below

  root at M96SANKAR:/etc/netplan# ip a s

  enc8f00: <BROADCAST,MULTICAST,NOARP,UP,LOWER_UP> mtu 32768 qdisc mq state UP group default qlen 1000
      link/ether fe:da:af:44:08:02 brd ff:ff:ff:ff:ff:ff

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