task: mon_thrash: thrash monitors while running other tests
task: mon_thrash: thrash monitors while running other tests

Signed-off-by: Joao Eduardo Luis <ecb783f181f342823e961cc772d837d97114c482@gmail.com>

ivotron/teuthology,caibo2014/teuthology,dmick/teuthology,ceph/teuthology,ktdreyer/teuthology,zhouyuan/teuthology,dmick/teuthology,yghannam/teuthology,michaelsevilla/teuthology,robbat2/teuthology,zhouyuan/teuthology,michaelsevilla/teuthology,ktdreyer/teuthology,dreamhost/teuthology,ivotron/teuthology,tchaikov/teuthology,t-miyamae/teuthology,SUSE/teuthology,t-miyamae/teuthology,tchaikov/teuthology,caibo2014/teuthology,robbat2/teuthology,dreamhost/teuthology,SUSE/teuthology,yghannam/teuthology,SUSE/teuthology,dmick/teuthology,ceph/teuthology