Symbol: BIO_R_UNABLE_TO_LISTEN_SOCKET
lib/libcrypto/bio/b_sock.c
197
BIOerror(BIO_R_UNABLE_TO_LISTEN_SOCKET);
lib/libcrypto/bio/bio_err.c
102
{ERR_REASON(BIO_R_UNABLE_TO_LISTEN_SOCKET), "unable to listen socket"},