unknown_action 2967 tools/testing/selftests/seccomp/seccomp_bpf.c __u32 unknown_action = 0x10000000U; unknown_action 2989 tools/testing/selftests/seccomp/seccomp_bpf.c ret = seccomp(SECCOMP_GET_ACTION_AVAIL, 0, &unknown_action);