``` 0(15850) ERROR: db_mysql [km_my_con.c:163]: db_mysql_new_connection(): driver error: SSL connection error: unknown error number 0(15850) ERROR: <core> [db.c:319]: db_do_init2(): could not add connection to the pool 0(15850) ERROR: usrloc [dlist.c:646]: register_udomain(): failed to open database connection 0(15850) ERROR: registrar [registrar.c:707]: domain_fixup(): failed to register domain 0(15850) ERROR: <core> [core/route.c:1166]: fix_actions(): fixing failed (code=-1) at cfg:/etc/kamailio/kamailio.cfg:660 0(15850) ERROR: <core> [core/rvalue.c:3868]: fix_rval_expr(): failure in cfg at line: 660 col: 22 0(15850) ERROR: <core> [core/rvalue.c:3868]: fix_rval_expr(): failure in cfg at line: 660 col: 22 0(15850) ERROR: <core> [core/route.c:1166]: fix_actions(): fixing failed (code=-1) at cfg:/etc/kamailio/kamailio.cfg:663 ```

Installed: ``` dpkg -l | awk '/kam/ { print $2 " " $3 }' kamailio 5.3.5+ubuntu18.04 kamailio-mysql-modules:amd64 5.3.5+ubuntu18.04 ```

OS: ``` lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 20.04 LTS Release: 20.04 Codename: focal ```

SSL: ``` /usr/bin/openssl version OpenSSL 1.1.1f 31 Mar 2020 ```