Flake: AdminNetworkPolicyEgressTCP

[martinkennelly]

Seen here: https://github.com/ovn-org/ovn-kubernetes/actions/runs/8647390432/job/23709942317?pr=4271

#4271

2024-04-11T14:05:56.6845475Z     admin-network-policy-core-egress-tcp-rules.go:118: FAILED Command was [/agnhost connect --timeout=3s --protocol=tcp 10.244.2.148:80]
2024-04-11T14:05:56.6848218Z     admin-network-policy-core-egress-tcp-rules.go:118: Expected connection to fail from network-policy-conformance-gryffindor/harry-potter-0 to 10.244.2.148, but instead it successfully connected.
2024-04-11T14:05:56.6849570Z     admin-network-policy-core-egress-tcp-rules.go:120: 
2024-04-11T14:05:56.6851215Z         	Error Trace:	/home/runner/go/pkg/mod/sigs.k8s.io/network-policy-api@v0.1.2/conformance/tests/admin-network-policy-core-egress-tcp-rules.go:120
2024-04-11T14:05:56.6852886Z         	Error:      	Not equal: 
2024-04-11T14:05:56.6853702Z         	            	expected: true
2024-04-11T14:05:56.6854482Z         	            	actual  : false