linum_err
struct linum_err linum_err;
if (!bpf_map_lookup_elem(lport_linum_map_fd, &lport, &linum_err)) {
lport, linum_err.linum, linum_err.err);
if (!bpf_map_lookup_elem(lport_linum_map_fd, &lport, &linum_err)) {
lport, linum_err.linum, linum_err.err);
struct linum_err __linum_err; \
__type(value, struct linum_err);