because, well, cheap enterprise equipment (that only does 1/10gbit on sfp+) and re-using shit. 5gbit requires you to choose that version for the host machine: [1mgcc[0m ld.bfd 2.43.1 Host machine cpu family: [1mx86_64[0m Host machine cpu family: [1mx86_64[0m Host machine cpu family: [1mx86_64[0m Host machine cpu family: [1mx86_64[0m Host machine cpu: [1mx86_64[0m Compiler for C++ supports link arguments -lstdc++fs: [1;32mYES[0m Program [1mgit[0m found: [1;31mNO[0m Build targets in project: [1m1[0m cava| Subproject [1mcava[0m finished. Dependency [1mcava[0m from subproject [1msubprojects/cava-0.10.2[0m found: [1;32mYES[0m [36m1.7.0[0m Run-time dependency [1msystemd[0m found: [1;32mYES[0m [36m2.4.1[0m Run-time dependency [1mlibinotify[0m found: [1;31mNO[0m Checking if "[1mnl_langinfo with _NL_TIME_WEEK_1STDAY, _NL_TIME_FIRST_WEEKDAY[0m" : links: [1;32mYES[0m Run-time dependency [1mthreads[0m found: [1;32mYES[0m [36m3.11.0[0m Run-time dependency [1mgtk-layer-shell-0[0m found: [1;32mYES[0m (/nix/store/ck6zfmyhb81wjq86zy6jxdisf3i89a5x-glib-2.82.4-dev/bin/glib-compile-resources) Build-time