task: internal/syslog: expand salt exclusion
task: internal/syslog: expand salt exclusion

Signed-off-by: Nathan Cutler <ncutler@suse.com>

Conflicts:
	teuthology/task/internal/syslog.py

dmick/teuthology,dmick/teuthology,SUSE/teuthology,dmick/teuthology,ceph/teuthology,ceph/teuthology,ktdreyer/teuthology,SUSE/teuthology,SUSE/teuthology,ktdreyer/teuthology