add waiting time for ssh connection

4 jobs for master in 59 minutes and 32 seconds (queued for 1 second)
Name Stage Failure
Gen-VM Build
Running after script...
$ vagrant halt
==> default: Attempting graceful shutdown of VM...
default: Guest communication could not be established! This is usually because
default: SSH is not running, the authentication information was changed,
default: or some other networking issue. Vagrant will force halt, if
default: capable.
==> default: Forcing shutdown of VM...
ERROR: Job failed: exit status 1