Symbol: ERN_CMSG_RCV
tools/testing/selftests/net/cmsg_sender.c
392
error(ERN_CMSG_RCV, ENOENT, "TS cmsg not found");
tools/testing/selftests/net/cmsg_sender.c
394
error(ERN_CMSG_RCV, ENOENT, "sock_err cmsg not found");