[ClusterLabs] How to globally enable trace log level in pacemaker?

[Andrei Borzenkov]

I think it worked in the past by passing a lot of -VVVVVVV when starting
pacemaker. It does not seem to work now. I can call /usr/sbin/pacemakerd
-VVVVVVVVVVVV..., but it does pass options further to children it
starts. So every other daemon is started without any option and with
default log level.

This pacemaker 2.1.0 from openSUSE Tumbleweed.

P.S. environment variable to directly set log level would certainly be
helpful.