/usr/lib/tmpfiles.d/nagios-nrpe-server.conf is in nagios-nrpe-server 3.2.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | #Type Path Mode UID GID Age Argument
d /var/run/nagios 0755 nagios nagios - -
|