Revision 5a487b59a5b9cbc52dd221885655c6cb8abd1890 authored by Hemanth Malla on 27 February 2024, 21:38:58 UTC, committed by Louis DeLosSantos on 01 March 2024, 02:13:02 UTC
cilium#30536 prematurely concluded that
AWS now uses InsufficientCidrBlocks to indicate the subnet is out of
prefixes. Looks like AWS still uses InvalidParameterValue and "There
aren't sufficient free Ipv4 addresses or prefixes" to indicate subnet is
at capacity. In addition to this InsufficientCidrBlocks is returned
when subnet is at capacity potentially due to fragmentation. In either
case, it's worth trying to fallback since /32 IPs might still be
available compared to /28. See PR for details from AWS support ticket.

Signed-off-by: Hemanth Malla <hemanth.malla@datadoghq.com>
1 parent 5abe8a8
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