IPTUN_HASH_INSERTED
if (iptun->iptun_flags & IPTUN_HASH_INSERTED) {
iptun->iptun_flags &= ~IPTUN_HASH_INSERTED;
iptun->iptun_flags |= IPTUN_HASH_INSERTED;
IPTUN_MAC_STARTED|IPTUN_HASH_INSERTED|IPTUN_UPCALL_PENDING)));