Comment 4 for bug 1463631

https://zuul.opendev.org/t/openstack/build/d867a3f0a61049769a3059c24537d1bb/log/controller/logs/grenade.sh_log.txt#964

2020-10-28 07:29:33.385 | + /opt/stack/new/grenade/functions:ping_check_public:66 : [[ True = \T\r\u\e ]]
2020-10-28 07:29:33.388 | + /opt/stack/new/grenade/functions:ping_check_public:67 : die 67 '[Fail] Couldn'\''t ping server'
2020-10-28 07:29:33.390 | + /opt/stack/new/devstack/functions-common:die:198 : local exitcode=0
2020-10-28 07:29:33.392 | [Call Trace]
2020-10-28 07:29:33.392 | /opt/stack/new/grenade/projects/60_nova/resources.sh:217:create
2020-10-28 07:29:33.392 | /opt/stack/new/grenade/projects/60_nova/resources.sh:137:ping_check_public
2020-10-28 07:29:33.392 | /opt/stack/new/grenade/functions:67:die
2020-10-28 07:29:33.395 | [ERROR] /opt/stack/new/grenade/functions:67 [Fail] Couldn't ping server

I appreciate that this is an incredibly generic bug but it looks like grenade is hitting this again. I've added Nova and Neutron for some additional visibility and review if anyone has time.