title: "PVF: fix unshare 'could not create temporary directory'"

doc:
  - audience: Node Operator
    description: |
      For validators: fixes the potential warning/error:
      "Cannot unshare user namespace and change root, which are Linux-specific kernel security features: could not create a temporary directory in "/tmp/.tmpIcLriO".

migrations:
  db: []

  runtime: []

crates:
  - name: polkadot-node-core-pvf

host_functions: []