ipaddr: Handle ipaddress index in network correctly (#57896)

This commit prevents integer indices from being parsed as ip nets

Fixes #57895

Signed-off-by: Tobias Schramm <tobleminer@gmail.com>

changelogs/fragments/57896-fix-ipaddr-cidr-index-handling.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - 'ipaddr: prevent integer indices from being parsed as ip nets'

lib/ansible/plugins/filter/ipaddr.py

@@ -630,7 +630,7 @@ def ipaddr(value, query='', version=False, alias='ipaddr'):
     # address/network is inside that specific subnet
     try:
         # ?? 6to4 and link-local were True here before.  Should they still?
-        if query and (query not in query_func_map or query == 'cidr_lookup') and ipaddr(query, 'network'):
+        if query and (query not in query_func_map or query == 'cidr_lookup') and not str(query).isdigit() and ipaddr(query, 'network'):
             iplist = netaddr.IPSet([netaddr.IPNetwork(query)])
             query = 'cidr_lookup'
     except Exception: