this is the example from 'cups-filters' - the "semop(1)" error ocurrs with every ARM build, just after the build completes, upon "entering fakeroot"

<pre>
| ============================================================================
| Testsuite summary for cups-filters 1.27.4
| ============================================================================
| # TOTAL: 6
| # PASS: 6
| # SKIP: 0
| # XFAIL: 0
| # FAIL: 0
| # XPASS: 0
| # ERROR: 0
| ============================================================================
| make[4]: Leaving directory '/build/cups-filters/src/cups-filters-1.27.4'
| make[3]: Leaving directory '/build/cups-filters/src/cups-filters-1.27.4'
| make[2]: Leaving directory '/build/cups-filters/src/cups-filters-1.27.4'
| make[1]: Leaving directory '/build/cups-filters/src/cups-filters-1.27.4'
| ==> Entering fakeroot environment...
| semop(1): encountered an error: Function not implemented
==> Copying log and package files out of the chroot...
</pre>

oaken-source started upgrading the qemu accessories to v5 - hopefully thats from where the error stems