xanmod still has problems

defaults/main.yml

@@ -24,7 +24,7 @@ vm_agents_status: present
 customization: true
 nvidia_driver_version: null
 cloud_kernel: auto # or enabled / disabled
-xanmod: true
+xanmod: false
 railgun:
   destination: chnroute
   remoteGatewayId: 31

tasks/sysctl.yml

@@ -34,7 +34,14 @@
     name: net.core.default_qdisc
     value: fq
     sysctl_set: true
-  when: ansible_kernel.startswith("5.") or ansible_kernel.startswith("4.9.") or (ansible_kernel.startswith("4.1") and not ansible_kernel.startswith("4.1."))
+  when: ansible_kernel.startswith("5.") or ansible_kernel.startswith("4.9.") or (ansible_kernel.startswith("4.1") and not ansible_kernel.startswith("4.1.")) and not xanmod
+- name: TCP BBR with xanmod
+  become: true
+  sysctl:
+    name: net.core.default_qdisc
+    value: fq
+    sysctl_set: true
+  when: xanmod
 - name: TCP BBR
   become: true
   sysctl: