Automated cherry pick of #6251: Fix that local traffic cannot be identified in #6268
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…antrea-io#6251) Before this commit, in AntreaProxy, to respect short-circuiting, when installing flows for an external Services, an extra flow with higher priority to match traffic sourced from local (local Pods or local Node) and destined for the external Service will be installed. This is achieved by matching the local Pod CIDR obtained from the local Node object. However, when Antrea is deployed in networkPolicyOnly mode, the Pod CIDR in the local Node object is nil, resulting in the failure of install the extra flow mentioned above. To fix the issue, a new reg mark `FromLocalRegMark` identifying traffic from local Pods or the local Node is introduced to mark the traffic from local. This reg mark can be used in all traffic mode. Fix antrea-io#6244 Signed-off-by: Hongliang Liu <lhongliang@vmware.com>
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Cherry pick of #6251 on release-1.15.
#6251: Fix that local traffic cannot be identified in
For details on the cherry pick process, see the cherry pick requests page.