something called a udev rebuild and my current mere was clobbered
thair be monsters
1639741780:  >>> emerge (108 of 522) sys-devel/llvm-12.0.1 to /
1639741780:  === (108 of 522) Cleaning (sys-devel/llvm-12.0.1::/var/db/repos/gentoo/sys-devel/llvm/llvm-12.0.1.ebuild)
1639741781:  === (108 of 522) Compiling/Packaging (sys-devel/llvm-12.0.1::/var/db/repos/gentoo/sys-devel/llvm/llvm-12.0.1.ebuild)
1639748324: Started emerge on: Dec 17, 2021 07:38:44
1639748324:  *** emerge --nospinner --oneshot --tree --autounmask --backtrack=10000000 --color=y --complete-graph --depclean-lib-check --dynamic-deps=y --fail-clean=n --keep-going --misspell-suggestions=y --with-bdeps=y --package-moves --pkg-format=tar --quiet --quiet-build=y --quiet-fail=y --rebuild-if-new-slot=y --regex-search-auto=y --search-index=n --use-ebuild-visibility --verbose --verbose-slot-rebuilds=y udev
1639748347:  >>> emerge (1 of 1) sys-fs/udev-249.6-r2 to /
1639748347:  === (1 of 1) Cleaning (sys-fs/udev-249.6-r2::/var/db/repos/gentoo/sys-fs/udev/udev-249.6-r2.ebuild)
1639748347:  === (1 of 1) Compiling/Packaging (sys-fs/udev-249.6-r2::/var/db/repos/gentoo/sys-fs/udev/udev-249.6-r2.ebuild)
1639748875:  === (1 of 1) Merging (sys-fs/udev-249.6-r2::/var/db/repos/gentoo/sys-fs/udev/udev-249.6-r2.ebuild)
1639748883:  >>> AUTOCLEAN: sys-fs/udev:0
1639748883:  === Unmerging... (sys-fs/udev-249.6-r2)
1639748889:  >>> unmerge success: sys-fs/udev-249.6-r2
1639748897:  === (1 of 1) Post-Build Cleaning (sys-fs/udev-249.6-r2::/var/db/repos/gentoo/sys-fs/udev/udev-249.6-r2.ebuild)
1639748897:  ::: completed emerge (1 of 1) sys-fs/udev-249.6-r2 to /
1639748897:  *** Finished. Cleaning up...
1639748901:  *** exiting successfully.
1639748911:  *** terminating.
1639749745:  *** terminating.
1639749828: Started emerge on: Dec 17, 2021 08:03:47
1639749828:  *** emerge --nospinner --resume --tree --autounmask --backtrack=10000000 --color=y --complete-graph --depclean-lib-check --dynamic-deps=y --fail-clean=n --keep-going --misspell-suggestions=y --with-bdeps=y --package-moves --pkg-format=tar --quiet --quiet-build=y --quiet-fail=y --rebuild-if-new-slot=y --regex-search-auto=y --search-index=n --use-ebuild-visibility --verbose --verbose-slot-rebuilds=y
1639749843:  *** Resuming merge...
1639749879:  >>> emerge (1 of 415)