Check for service group presence
Check for service group presence

Check for service group presence before trying to add.

Signed-off-by: Vasant Hegde <a6d753843573f7bfed5075c1e875b0be8007a0ab@linux.vnet.ibm.com>
Tested-by: Bharani C.V <26e14037a9917d589124cb5ab7562a3ee9f566a1@linux.vnet.ibm.com>

kamalesh-babulal/libservicelog,kamalesh-babulal/libservicelog