Set default txqueuelen to 10000

This is to reduce amount of dropped packets on most
deployments which usually have at least 10G NICs

Change-Id: I1cd3f61871ebd497fd4bf1afa81c5d8621b27b44
Related-Prod: PROD-23443 (PROD:23443)
(cherry picked from commit 4af1d7d5c8aac17aeffc87ae04058604c586e7bb)
diff --git a/linux/system/single/mcp.yml b/linux/system/single/mcp.yml
index 73de373..b36ccdb 100644
--- a/linux/system/single/mcp.yml
+++ b/linux/system/single/mcp.yml
@@ -1,4 +1,5 @@
 classes:
+- system.linux.network.mcp
 - system.linux.system.single.simple
 - system.linux.system.repo.mcp.apt_mirantis.mirantis_pining
 parameters: