Description of problem:
logfile rotation for sssd_kcm not working properly, sssd_kcm never receives a 'kill -HUP'

Version-Release number of selected component (if applicable):
Affects all sssd/sssd_kcm versions

How reproducible:
always

Steps to Reproduce:
1. dnf -y install sssd sssd_kcm
2. initiate a log rotation via logrotate

Actual results:
File /var/log/sssd/sssd_kcm.log is moved to
/var/log/sssd/sssd_kcm.log.1, but sssd_kcm keeps the file handle on that
file open instead of starting to write to /var/log/sssd/sssd_kcm.log.

Expected results:
sssd_kcm should drop all file handles to /var/log/sssd/sssd_kcm.log.1 and start
writing to /var/log/sssd/sssd_kcm.log

Additional info:

• As part of package sssd, we deploy /etc/logrotate.d/sssd
• that config file leads to
  a) /var/log/sssd/*.log being moved to $file.1
  b) and then does kill -HUP `cat /var/run/sssd.pid 2>/dev/null`
  That is fine for all children of sssd, but as sssd_kcm is a separate
  process, it is not notified and never drops the file handle.