Hypervisor on Slackware

Last time I had yet another difficult discussion here - but finally it appeared to be fruitful to me - so first conclusion do not avoid difficult discussions. Well problem was about EOL of 5.10 kernel. I posted I never upgrade system - always create something new. So I asked myself: what do you want to do with 5.10 release? If I am not satisfied with 5.10 - is there solution? And then bum: eureka. I always was interested in virtualization - but if you don't use it on every day routine - you don't learn much about it. So I said to myself: your new 5.10 installation will be totally virtual. Default target is system running in VM. However there is problem: I need to choose system for hypervisor. I plan to use next Slackware release but with 5.4 kernel as supervisor. Now the question is: does Slackware is ready to be hypervisor?

Edit: Word of explanation. There are Linux distributions which are ready to play such role - but most of them are systemd based - and as many years Slackware user I don't want to learn systemd. Waste of time. So essentially it would be easier for me to run FreeBSD. Or perhaps Debian on FreeBSD kernel - but I am not sure Debian on FreeBSD is systemd free. This is why I think about Slackware - to avoid systemd. And I also excluded all rolling-release distributions. So as you see I really don't have much choice.