Description of problem: During the run of a MTU test, VM creation fails, VM goes into ERROR state. Nova waits for 300 seconds, during this time there is error logged in dhcp-agent.log Version-Release number of selected component (if applicable): OSP 17 How reproducible: 100% Steps to Reproduce: 1. Run the test neutron_tempest_plugin.scenario.test_mtu.NetworkWritableMtuTest.test_connectivity_min_max_mtu 2. 3. Actual results: Test case fails, due to VM in Error state Expected results: test case should pass Additional info: