[conn-list explain] explanation output consider possible improvements

[adisos]

• more explanations to review and consider if can be improved:

- [NP] frontend/asset-cache-netpol // Ingress rule #1 (protocols/ports not referenced)
- [NP] frontend/default-deny-in-namespace-frontend // Ingress (captured but not selected by any Ingress rule - no rules defined)

• is ANP also explained in the "detailed" format? ( " is selected by the policy, but is not selected by any rule"

[adisos]

revisit the following: (from list --dirpath tests/vm_example/)

Connections between default/new-vm-3[Pod] => default/new-vm-2[Pod]:

Allowed connections:
        Allowed TCP:[80] due to the following policies // rules:
                Egress (Allowed)
                        [NP] default/policy2 // Egress rule #1
                Ingress (Allowed)
                        [NP] default/policy3 // Ingress rule #1

Denied connections:
        Denied TCP:[1-79,81-65535], UDP, SCTP due to the following policies // rules:
                Egress (Denied)
                        NP list:
                                - [NP] default/default-deny // Egress (default/new-vm-3[Pod] is selected by the policy, but default/new-vm-2[Pod] is not selected by any Egress rule - no rules defined)
                                - [NP] default/policy0 // Egress (default/new-vm-3[Pod] is selected by the policy, but default/new-vm-2[Pod] is not selected by any Egress rule)
                                - [NP] default/policy11 // Egress (default/new-vm-3[Pod] is selected by the policy, but default/new-vm-2[Pod] is not selected by any Egress rule)
                                - [NP] default/policy13 // Egress (default/new-vm-3[Pod] is selected by the policy, but default/new-vm-2[Pod] is not selected by any Egress rule)
                                - [NP] default/policy2 // Egress rule #1 (protocols/ports not referenced)
                                - [NP] default/policy5 // Egress (default/new-vm-3[Pod] is selected by the policy, but default/new-vm-2[Pod] is not selected by any Egress rule)

                Ingress (Denied)
                        NP list:
                                - [NP] default/default-deny // Ingress (default/new-vm-2[Pod] is selected by the policy, but default/new-vm-3[Pod] is not selected by any Ingress rule - no rules defined)
                                - [NP] default/policy14 // Ingress (default/new-vm-2[Pod] is selected by the policy, but default/new-vm-3[Pod] is not selected by any Ingress rule)
                                - [NP] default/policy16 // Ingress (default/new-vm-2[Pod] is selected by the policy, but default/new-vm-3[Pod] is not selected by any Ingress rule)
                                - [NP] default/policy18 // Ingress (default/new-vm-2[Pod] is selected by the policy, but default/new-vm-3[Pod] is not selected by any Ingress rule)
                                - [NP] default/policy3 // Ingress rule #1 (protocols/ports not referenced)
                                - [NP] default/policy6 // Ingress (default/new-vm-2[Pod] is selected by the policy, but default/new-vm-3[Pod] is not selected by any Ingress rule)