Nick Rosbrook
d0c6136f51
With newer versions of AppArmor, unprivileged user namespace creation may be restricted by default, in which case user manager instances will not be able to apply PrivateUsers=yes (or the settings which require it). Additionally, if a kernel has the kernel.unprivileged_userns_clone sysctl patch, and that sysctl is 0, then unprivileged userns creation will always fail. If a test unit is going to be run in a user manager, and that unit requires PrivateUsers=yes (explicitly or implicitly), then skip it if we do not have user namespace privileges.
System and Service Manager
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