1. Added linux kernel version check to avoid failures
in CI systems if matching kernel version not found.
Signed-off-by: naveen <nguggarigoud@vmware.com>
1. Adding 4 testcases to this testsuite to verify BGP multi-vrf functionality
2. Adding supporting JSON file to create topology and base config
3. Execution time is ~3 mins
Signed-off-by: Kuldeep Kashyap <kashyapk@vmware.com>