v1.32 Backports 2025-06-07 #1392
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[ upstream commit be938e4 ] Source address socket option uses 'hashKey' function to choose the upstream connection pool. 'hashKey' has no access to the socket (which has not been created yet), so it needs access to the original source address which can be either IPv4 or IPv6 to be able to pass in the original source address and port in the resulting hash. This fixes the issue with east/west l7lb that caused upstream connection pool being shared between all local endpoints with the same security identity, while using the original source address. This manifested as connection pool attempting to create more than one connection with the same 5-tuple, which failed and resulted in '503' responses in HTTP. Fixes: #65 Signed-off-by: Jarno Rajahalme <jarno@isovalent.com> Signed-off-by: Tam Mach <tam.mach@cilium.io>
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