MariaDB: ingress pod logs error generating SSL certificate

[Phil Sphicas]

MariaDB ingress pods generate the following errors on a regular basis:

E0618 00:02:48.044141 44 backend_ssl.go:139] unexpected error generating SSL certificate with full intermediate chain CA certs: Get http://cacerts.digicert.com/DigiCertSHA2SecureServerCA.crt: dial tcp 104.18.10.39:80: i/o timeout
E0618 00:03:18.044751 44 backend_ssl.go:139] unexpected error generating SSL certificate with full intermediate chain CA certs: Get http://cacerts.digicert.com/DigiCertSHA2SecureServerCA.crt: dial tcp 104.18.11.39:80: i/o timeout
E0618 00:03:48.045240 44 backend_ssl.go:139] unexpected error generating SSL certificate with full intermediate chain CA certs: Get http://cacerts.digicert.com/DigiCertSHA2SecureServerCA.crt: dial tcp 104.18.10.39:80: i/o timeout
E0618 00:04:18.045862 44 backend_ssl.go:139] unexpected error generating SSL certificate with full intermediate chain CA certs: Get http://cacerts.digicert.com/DigiCertSHA2SecureServerCA.crt: dial tcp 104.18.11.39:80: i/o timeout