If you install libkrun-sev onto a system without /dev/sem support, crun-krun blows up.

[rhatdan]

$ podman run --privileged --runtime=krun alpine echo hi Error: krun: failed configuring mounts for handler at phase: HANDLER_CONFIGURE_AFTER_MOUNTS: No such file or directory: OCI runtime attempted to invoke a command that was not found

$sudo dnf -y remove libkrun-sev Dependencies resolved. ... Complete!

$ podman run --privileged --runtime=krun alpine echo hi hi