This port add a new UID and GID.
poudriere test log here:
- head-amd64: http://dev.bsdrp.net/poudriere/11amd64-default/mlvpn-2.3.1.log - 10.2-i386: http://dev.bsdrp.net/poudriere/102i386-default/mlvpn-2.3.1.log
Feature and RC script tested here: http://bsdrp.net/documentation/examples/aggregating_multiple_isp_links_with_mlvpn