NSC-1960:01735997 - SBC - Yealink Phone Not Reachable
Added code to add Expires header value based on `thru_id` in case of registration.

NSC-1885:01766076 - SIPS URI on UDP Packet - 416 Unsupported URI scheme
Added code to change the url scheme to sip if transport is udp/tcp

NSC-2118:01981615 - Fidalia - Strict Security - Not Blocking At Kernel
Added changes to insert the sipsecmon block rule immediately after
DROP rule in iptable and then other sipsecmon rule

Fixed NSC-2127 kernel name parse and python packaging for update

NSC-1993:Randomly cluster nodes are getting dropped
Added fix for memory leak, pyodbc code was leaking the memory so
uses mysql-connector instead also del the objects after execution.

Make sure that we do restart the dnsmasq service if it is stopped due to any specific reason.
Also, we do always check how much CPU utilization sngmonit is using if its taking more than 80%
the restart the same

Making sure that for unattended iso we have eth0 as static and eth1 as dhcp