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Query nodecon statements.
Parameter:
policy The policy to query.
Keyword Parameters/Class attributes:
network The IPv4/IPv6 address or IPv4/IPv6 network address
with netmask, e.g. 192.168.1.0/255.255.255.0 or
"192.168.1.0/24".
network_overlap If true, the net will match if it overlaps with
the nodecon's network instead of equality.
ip_version The IP version of the nodecon to match. (socket.AF_INET
for IPv4 or socket.AF_INET6 for IPv6)
user The criteria to match the context's user.
user_regex If true, regular expression matching
will be used on the user.
role The criteria to match the context's role.
role_regex If true, regular expression matching
will be used on the role.
type_ The criteria to match the context's type.
type_regex If true, regular expression matching
will be used on the type.
range_ The criteria to match the context's range.
range_subset If true, the criteria will match if it is a subset
of the context's range.
range_overlap If true, the criteria will match if it overlaps
any of the context's range.
range_superset If true, the criteria will match if it is a superset
of the context's range.
range_proper If true, use proper superset/subset operations.
No effect if not using set operations.
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