test: Provide failure reason in preflight checks
test: Provide failure reason in preflight checks

On consecutive errors with the same failure reason, the error is not printed
unless it has occured 5 times. This is done to keep the log small while giving
an indication if an error continues to appear.

Signed-off-by: Thomas Graf <5f50a84c1fa3bcff146405017f36aec1a10a9e38@cilium.io>

michi-covalent/cilium,michi-covalent/cilium,tklauser/cilium,cilium/cilium,tklauser/cilium,tgraf/cilium,tklauser/cilium,michi-covalent/cilium,tgraf/cilium,cilium/cilium,tgraf/cilium,michi-covalent/cilium,tgraf/cilium,tklauser/cilium,tklauser/cilium,cilium-team/cilium,cilium/cilium,cilium/cilium,cilium-team/cilium,tgraf/cilium,cilium/cilium,tgraf/cilium,michi-covalent/cilium