Lubuntu doesn't seed it explicitly, it's part of d-i-requierement seed in platform, see http://bazaar.launchpad.net/~ubuntu-core-dev/ubuntu-seeds/platform.trusty/revision/1609 But, as Lubuntu is probably the last flavor to use an alternate ISO, maybe we are the only ones affected by this.
Lubuntu doesn't seed it explicitly, it's part of d-i-requierement seed in platform, see http:// bazaar. launchpad. net/~ubuntu- core-dev/ ubuntu- seeds/platform. trusty/ revision/ 1609
But, as Lubuntu is probably the last flavor to use an alternate ISO, maybe we are the only ones affected by this.