schema:     ROUTE6-SCHEMA
ref:        dn42.route6
key:        route6      required  single    primary schema
key:        mnt-by      required  multiple  lookup=dn42.mntner
key:        origin      required  multiple  lookup=dn42.aut-num
key:        member-of   optional  multiple  lookup=dn42.route-set
key:        admin-c     optional  multiple  lookup=dn42.person,dn42.role
key:        tech-c      optional  multiple  lookup=dn42.person,dn42.role
key:        bgp-status  optional  single    > {active|absent|ignore}
key:        descr       optional  multiple
key:        remarks     optional  multiple
mnt-by:     XUU-MNT
mnt-by:     HEXA-MNT