When scheduling fails, send an email.
When scheduling fails, send an email.

Note that if no email is passed on the command line, no error email will
be sent. I did this to be polite.

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