Route JSON objects require 'next_hop' to be configure

Issue

Feb 08 10:23:42 overcloud-compute-1 os-collect-config[3428]: File "/usr/lib/python2.7/site-packages/os_net_config/objects.py", line 78, in _get_required_field
Feb 08 10:23:42 overcloud-compute-1 os-collect-config[3428]: raise InvalidConfigException(msg)
Feb 08 10:23:42 overcloud-compute-1 os-collect-config[3428]: os_net_config.objects.InvalidConfigException: Route JSON objects require 'next_hop' to be configure
Feb 08 10:23:42 overcloud-compute-1 os-collect-config[3428]: + RETVAL=1
Feb 08 10:23:42 overcloud-compute-1 os-collect-config[3428]: + [[ 1 == 2 ]]
Feb 08 10:23:42 overcloud-compute-1 os-collect-config[3428]: + [[ 1 != 0 ]]
Feb 08 10:23:42 overcloud-compute-1 os-collect-config[3428]: + echo 'ERROR: os-net-config configuration failed.'
Feb 08 10:23:42 overcloud-compute-1 os-collect-config[3428]: ERROR: os-net-config configuration failed.
Feb 08 10:23:42 overcloud-compute-1 os-collect-config[3428]: + exit 1