Deny all ingress traffic to pods in this namespace.

This array: * Must include only printable UTF8 characters that are represented with a single byte (http://www.utf8-chartable.de/) * Must be at least of length 85 (`len("weave-") + l(2^160)/l(85)` equals 31, the maximum ipset name length) * Must not include commas as those are treated specially by `ipset add` when adding a named set to a list:set * Should not include space for readability * Should not include invalid chars for XML `<>&"'` * Should not include single quote or backslash to be nice to shell users.

Configuration for ingress to pods within this namespace.

Standard NamespaceSpec object, modified to include a new NamespaceNetworkPolicy field.