Monitoring network links by sending ping probe to both interfaces

Today I faced a scenario where I need to monitor a link without the help of SNMP(Simple Network Management Protocol). To solve the problem, I wrote a python script the details of script can be found at following link

https://github.com/lkpatel/link_monitoring_using_ping/blob/master/monitor_links.py

Please note that SNMP is still be better choice as it also give link performance statistics.