Mbedtls error in the logs

General
#1

Hello,

Is this error in the logs expected when using self-signed certificate? HTTPS connection works and I am just wondering if this should be logged:

[Jun 15 18:30:37.674] mg_lwip_net_if.c:376    0x3fff18bc conn 0x3fff1cb4 from 192.168.4.2:60915
[Jun 15 18:30:37.680] mg_net.c:527            0x3fff18bc 0x3fff646c 1073693180 16
[Jun 15 18:30:37.686] mg_lwip_net_if.c:376    0x3fff18bc conn 0x3fff6744 from 192.168.4.2:60916
[Jun 15 18:30:37.692] mg_net.c:527            0x3fff18bc 0x3fff405c 1073682068 16
[Jun 15 18:30:37.699] mg_net.c:534            0x3fff646c tcp://192.168.4.2:60915
[Jun 15 18:30:37.709] mg_ssl_if_mbedtls.c:31  0x3fff18bc ciphersuite: TLS-RSA-WITH-AES-128-GCM-SHA256
[Jun 15 18:30:37.719] mg_net.c:534            0x3fff405c tcp://192.168.4.2:60916
[Jun 15 18:30:37.727] mg_ssl_if_mbedtls.c:31  0x3fff18bc ciphersuite: TLS-RSA-WITH-AES-128-GCM-SHA256
[Jun 15 18:30:37.745] mg_ssl_if_mbedtls.c:31  0x3fff18bc is a fatal alert message (msg 46)
[Jun 15 18:30:37.751] mg_ssl_if_mbedtls.c:31  0x3fff18bc mbedtls_ssl_handle_message_type() returned -30592 (-0x7780)
[Jun 15 18:30:37.759] mg_ssl_if_mbedtls.c:31  0x3fff18bc mbedtls_ssl_read_record() returned -30592 (-0x7780)
[Jun 15 18:30:37.765] mg_ssl_if_mbedtls.c:207 0x3fff405c mbedTLS error: -0x7780
[Jun 15 18:30:37.777] mg_ssl_if_mbedtls.c:31  0x3fff18bc is a fatal alert message (msg 46)
[Jun 15 18:30:37.783] mg_ssl_if_mbedtls.c:31  0x3fff18bc mbedtls_ssl_handle_message_type() returned -30592 (-0x7780)
[Jun 15 18:30:37.791] mg_ssl_if_mbedtls.c:31  0x3fff18bc mbedtls_ssl_read_record() returned -30592 (-0x7780)
[Jun 15 18:30:37.797] mg_ssl_if_mbedtls.c:207 0x3fff646c mbedTLS error: -0x7780

Thanks in advance.