Kamailio version 5.1 ubuntu os 16.04 i have installed all the dependencies.
when i am starting kamailio service i get this error
sudo service kamailio status
● kamailio.service - LSB: Start the Kamailio SIP proxy server Loaded: loaded (/etc/init.d/kamailio; bad; vendor preset: enabled) Active: active (exited) since Wed 2018-09-05 12:40:48 UTC; 12min ago Docs: man:systemd-sysv-generator(8)
Sep 05 12:40:48 ip-10-0-0-45 /usr/local/sbin/kamailio[2553]: WARNING: tls [tls_init.c:778]: init_tls_h(): **openssl bug #1491 (crash/mem leaks on low memory)** wo Sep 05 12:40:48 ip-10-0-0-45 /usr/local/sbin/kamailio[2553]: INFO: <core> [core/cfg/cfg_ctx.c:595]: cfg_set_now(): tls.low_mem_threshold1 has been changed to Sep 05 12:40:48 ip-10-0-0-45 /usr/local/sbin/kamailio[2553]: INFO: <core> [core/cfg/cfg_ctx.c:595]: cfg_set_now(): tls.low_mem_threshold2 has been changed to Sep 05 12:40:48 ip-10-0-0-45 kamailio[2532]: * already running Sep 05 12:40:48 ip-10-0-0-45 kamailio[2532]: ...done. Sep 05 12:40:48 ip-10-0-0-45 systemd[1]: Started LSB: Start the Kamailio SIP proxy server. Sep 05 12:43:35 ip-10-0-0-45 systemd[1]: Started LSB: Start the Kamailio SIP proxy server. Sep 05 12:43:50 ip-10-0-0-45 systemd[1]: Started LSB: Start the Kamailio SIP proxy server. Sep 05 12:44:28 ip-10-0-0-45 systemd[1]: Started LSB: Start the Kamailio SIP proxy server. Sep 05 12:48:39 ip-10-0-0-45 systemd[1]: Started LSB: Start the Kamailio SIP proxy server.