valgrind: ignore boost thread-local warning
valgrind: ignore boost thread-local warning

Signed-off-by: Greg Farnum <ddf08f52dfbf554083d43d4688a3a05bda539ab6@redhat.com>

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