get_dhcp6leased_iface_by_id
struct dhcp6leased_iface *get_dhcp6leased_iface_by_id(uint32_t);
iface = get_dhcp6leased_iface_by_id(if_index);
iface = get_dhcp6leased_iface_by_id(imsg_dhcp.if_index);
iface = get_dhcp6leased_iface_by_id(if_index);
if ((iface = get_dhcp6leased_iface_by_id(if_index)) != NULL)
iface = get_dhcp6leased_iface_by_id(imsg_ifinfo->if_index);
iface = get_dhcp6leased_iface_by_id(if_index);