I encountered the same problem, but used a different solution: make /var/lib/NetworkManager a symlink to /var/run/NetworkManager (and create the corresponding directory).
/var/run is a tmpfs filesystem, so it won't generate hard disk wake-ups.
I encountered the same problem, but used a different solution: make /var/lib/ NetworkManager a symlink to /var/run/ NetworkManager (and create the corresponding directory).
/var/run is a tmpfs filesystem, so it won't generate hard disk wake-ups.