Allow ZMQ master to fail

it can't be trusted
Revert "update test_security with 3.3 constant changes"

This reverts commit d2869e2e6792c3ea99483afd1e499dfadf920c50.
Revert "regen constants"

This reverts commit d09463f553d9e650b745f1b0295a547f2ceb6908.
Revert "update constants from 3.3"

This reverts commit 5adf7fbe19c8232574adb90ea877a2b725d81e87.
set linger on monitor sockets
skip monitor tests altogether with zmq < 3.3

socket cleanup doesn't seem to work reliably