If you use standalone bare metal servers, or if you experience issues with a Calico bird daemon and networking for a Kubernetes cluster VMs, ensure that netfilter for bridge interfaces is disabled for your host node(s):
echo 0 > /proc/sys/net/bridge/bridge-nf-call-iptables
Otherwise, bird daemon inside Calico won’t function correctly because of libvirt and NAT networks. More details can be found in this bug.
Then reporting issues, please also make sure to include details on the host OS type and its kernel version.
Inventory and deployment data management
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