Ceph

This PR needs to be backported to Luminous and Mimic
Since luminous and mimic also start using features that are not compatible with FreeBSD awk

Error:
//home/jenkins/workspace/ceph-mimic/qa/standalone/ceph-helpers.sh:1367: get_timeout_delays: shopt -u -o xtrace
awk: syntax error at source line 1
context is
BEGIN{print 0 + .1 >>> <= <<<
awk: illegal statement at source line 1
awk: syntax error at source line 1
context is
BEGIN{print 0 >>> < <<< 300}
awk: illegal statement at source line 1
/home/jenkins/workspace/ceph-mimic/qa/standalone/ceph-helpers.