Comment by johnkoepi

I love ideas behind Landlock but I don't fully see the struggle currently without taking into considerations issues with io_uring api. Seccomp nowadays with AppArmor|SElinux is enough even for Nested rootless containers. Nested even into std runc things. Both AppArmor and Seccomp profiles are stackable. If you don't need to generate unique profiles per each container you should be fine...