Try specifying interface instead.

Author: tecarter94

deploy/tasks/buildah-oci-ta.yaml

@@ -467,7 +467,7 @@ spec:
         # Without expansion
         cat > /app/build-script.sh << 'EOF'
         #!/bin/sh
-        ip link set lo up
+        ip link set dev lo up
         /app/domain-proxy-client-runner &
         client_pid=$!
         EOF