Known issues¶
MKE 3.5.3 issues for which there are available workaround solutions include:
[MKE-8538] Limited Windows support dump availability¶
Only limited support dumps are available on Windows worker nodes.
Workaround:
Manually collect the Windows worker node logs.
[FIELD-4200] Reloading firewalld can disable docker ingress routing mesh¶
The calico-node
firewalld-policy
init container can disable the
docker ingress routing mesh when reloading firewalld
.
Workaround:
Prevent the issue from recurring by disabling
firewalld
:sudo systemctl disable --now firewalld
Restore missing iptables chains by restarting
dockerd
:sudo systemctl restart docker
Note
Restarting
dockerd
stops all containers on the corresponding node. The node capacity will not be available to the cluster until the node returns to a healthy state in MKE. You must restartdockerd
on manager nodes one node at a time, confirming the health of each one in MKE before moving on to the next.Confirm issue resolution by checking for the presence of the
DOCKER-INGRESS
iptables chain:sudo iptables --list DOCKER-INGRESS
Expected output:
Chain DOCKER-INGRESS (2 references) target prot opt source destination [...]