This ensures that systemd will not allow us to modify
/home, /root and /run/user which we shouldn't be doing anyway.
See https://www.freedesktop.org/software/systemd/man/systemd.exec.html
for details.
It should also should silence corresponding lintian warning.
Related: OS#4107
Change-Id: Ida5f13bdb9e5bd956c440a381d94eecc18f0b2ef
By default systemd will execute service with root directory (or home directory for user instance) which might result in
attempts to create files in unexpected place. Let's set it to 'osmocom' subdir of state directory (/var/lib for system
instance) instead.
Related: OS#4821
Change-Id: I40b5d50470cb55ca94af5e17f21658181a02d4c2
Max
Daniel Willmann