LIBBPF_WARN
min_level = LIBBPF_WARN;
level = mandatory ? LIBBPF_WARN : LIBBPF_DEBUG;
#define pr_warn(fmt, ...) __pr(LIBBPF_WARN, fmt, ##__VA_ARGS__)
libbpf_print(LIBBPF_WARN, "libbpf: " fmt ": %s\n", ##__VA_ARGS__, elf_errmsg(-1))
if (level != LIBBPF_WARN ||
if (level == LIBBPF_WARN)
if (level != LIBBPF_WARN)