vpp_papi_provider: Remove more wrapper functions.

Split this work up into pieces.
Please don't add new wrappers to vpp_papi_provider.py.

Change-Id: I0f8f2afc4cd2bba07ea70ddecea2d7319f7b2e10
Signed-off-by: Ole Troan <ot@cisco.com>

test/test_ip_ecmp.py

@@ -5,7 +5,6 @@ import random
 import socket
 from ipaddress import IPv4Address, IPv6Address, AddressValueError
 
-
 from framework import VppTestCase, VppTestRunner
 from util import ppp
 
@@ -187,7 +186,9 @@ class TestECMP(VppTestCase):
                 next_hop_address = socket.inet_pton(af, nh_host_ip)
                 next_hop_sw_if_index = pg_if.sw_if_index
                 self.vapi.ip_add_del_route(
-                    dst_ip, dst_prefix_len, next_hop_address,
+                    dst_address=dst_ip,
+                    dst_address_length=dst_prefix_len,
+                    next_hop_address=next_hop_address,
                     next_hop_sw_if_index=next_hop_sw_if_index,
                     is_ipv6=is_ipv6, is_multipath=1)
                 self.logger.info("Route via %s on %s created" %