Issue:
Control plane (master) nodes are failing first boot with access denied to ip6 console port [::1]:53 in early OKD 4.x.
Resolution:
The local console port is unavailable. (See OKD Issue 897)
1. Interrupt the control-plane boot at the boot menu:
- Press either <tab> (if isolinux) or e (if grub) to abort the boot and edit the kernel boot commands.
- Add the following line:
console=null
2. Continue the boot with:
- Press <enter> (for isolinux) or <cntl+x> (for grub) to continue the install.
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