+Get Subnet Gateway Ip
+ [Arguments] ${subnet_name}
+ [Documentation] Show information of a subnet and grep for subnet gateway ip address
+ ${output} = OpenStackOperations.OpenStack CLI openstack subnet show ${subnet_name} | grep gateway_ip | awk '{print $4}'
+ ${splitted_output} = String.Split String ${output} ${EMPTY}
+ ${matches} = Collections.Get Matches ${splitted_output} regexp=(\\d\.)+
+ ${subnet_gateway_ip} = String.Strip String ${matches[0]} characters=','
+ [Return] ${subnet_gateway_ip}
+