Test: Fix CIDR/L4 flakes
Test: Fix CIDR/L4 flakes

Due the connectivity test to CloudFlare, time to time this test was not
reliable at all due internet connectivity issues. With this change if
the connection is failing more than one time will fail.

Fix #5745

Signed-off-by: Eloy Coto <2a8acc28452926ceac4d9db555411743254cf5f9@gmail.com>

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