Comment 0 for bug 2037606

Counterpart to https://gitlab.com/libvirt/libvirt/-/issues/515

/sys/devices/system/node/*/cpumap r,

Those changes are usually safe, there is sadly no abstraction for libnuma.
Steps:
1. propose the change as a patch upstream
2. check which libnuma versions cause this to decide which releases to ship the fix to
3. add it to the related Ubuntu releases