use numeric message IDs for compatibility with pylint 0.25.1
diff --git a/src/python/oftest/afpacket.py b/src/python/oftest/afpacket.py
index 9772582..8f6d9de 100644
--- a/src/python/oftest/afpacket.py
+++ b/src/python/oftest/afpacket.py
@@ -98,11 +98,11 @@
     # only control message.
     assert msghdr.msg_controllen >= sizeof(struct_cmsghdr)
 
-    cmsghdr = struct_cmsghdr.from_buffer(ctrl_buf) # pylint: disable=no-member
+    cmsghdr = struct_cmsghdr.from_buffer(ctrl_buf) # pylint: disable=E1101
     assert cmsghdr.cmsg_level == SOL_PACKET
     assert cmsghdr.cmsg_type == PACKET_AUXDATA
 
-    auxdata = struct_tpacket_auxdata.from_buffer(ctrl_buf, sizeof(struct_cmsghdr)) # pylint: disable=no-member
+    auxdata = struct_tpacket_auxdata.from_buffer(ctrl_buf, sizeof(struct_cmsghdr)) # pylint: disable=E1101
 
     if auxdata.tp_vlan_tci != 0 or auxdata.tp_status & TP_STATUS_VLAN_VALID:
         # Insert VLAN tag