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[Bug 1659267] Re: It's not possible to start a VM with a network cable u


From: Daniel Berrange
Subject: [Bug 1659267] Re: It's not possible to start a VM with a network cable unplugged
Date: Mon, 08 Jun 2020 09:21:53 -0000

Note that you can start QEMU with the "-S" flag which means CPUS are
paused. This gives you ability to run the "set_link" monitor command
above, and then run "cont" to actually start the VM. Less convenient
that a CLI flag, but functionally it is eqivalent.

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https://bugs.launchpad.net/bugs/1659267

Title:
  It's not possible to start a VM with a network cable unplugged

Status in QEMU:
  New

Bug description:
  There should be a command line (sub)option to unplug a network cable.
  While from the monitor interface I can issue:

  set_link virtio-net-pci.0 off

  There's no way to fire a VM from command line with that cable already 
unplugged.
  As an example, virtualbox can do it.

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