Public bug reported:
In our packaging libvirt-daemon-config-network.postrm.in blindly copies
default.xml to /etc/libvirt/qemu/networks/default.xml.
This leads to conflicts when installing libvirt in a VM that was
launched by libvirt.
Upstream libvirt.spec.in is a bit more refined:
In daemon-config-network it checks if there is a route involving
192.168.122.0/24.
If yes, it looks for an unused subnet 192.168.?.0/24.
At least the developer understood the problem. But the solution is bad.
E.g. a subnet already in use could be 192.168.64.0/18 which comprises
192.168.122.0/24.
** Affects: libvirt (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/2164823
Title:
libvirt-daemon-config-network.postrm.in does not check if subnet
192.168.122.0/24 is already used
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