Andrija Panic 2ffc0c5073 Increase DHCP lease time to infinite (#3662)
* Increase lease time to infinite

Lease time set to effectively infinite (36000+ days) since we fully control VM lifecycle via CloudStack
Infinite time helps avoid some edge cases which could cause DHCPNAK being sent to VMs since
(RHEL) system lose routes when they receive DHCPNAK
When VM is expunged, it's active lease and DHCP/DNS config is properly removed from related files in VR.

* desc fix
2020-01-03 15:18:40 +01:00
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