777       LOG(WARN) << "getnameinfo() failed: " << gai_strerror(rv);  in create_quic_server_socket()
786       LOG(WARN) << "socket() syscall failed: "  in create_quic_server_socket()
794       LOG(WARN) << "socket() syscall failed: "  in create_quic_server_socket()
806       LOG(WARN) << "Failed to set SO_REUSEADDR option to listener socket: "  in create_quic_server_socket()
815       LOG(WARN) << "Failed to set SO_REUSEPORT option to listener socket: "  in create_quic_server_socket()
826         LOG(WARN) << "Failed to set IPV6_V6ONLY option to listener socket: "  in create_quic_server_socket()
836         LOG(WARN)  in create_quic_server_socket()
846         LOG(WARN) << "Failed to set IPV6_RECVTCLASS option to listener socket: "  in create_quic_server_socket()
857         LOG(WARN)  in create_quic_server_socket()
868         LOG(WARN) << "Failed to set IP_PKTINFO option to listener socket: "  in create_quic_server_socket()
877         LOG(WARN) << "Failed to set IP_RECVTOS option to listener socket: "  in create_quic_server_socket()
888         LOG(WARN) << "Failed to set IP_MTU_DISCOVER option to listener socket: "  in create_quic_server_socket()
899       LOG(WARN) << "Failed to set UDP_GRO option to listener socket: "  in create_quic_server_socket()
908       LOG(WARN) << "bind() syscall failed: "  in create_quic_server_socket()
1320       LOG(WARN) << "Could not connect to " << util::to_numeric_addr(raddr)  in downstream_failure()
1324       LOG(WARN) << "Could not connect to " << addr->host << ":" << addr->port  in downstream_failure()