never fail iptables-save (#19716)
never fail iptables-save (#19716)

* never fail iptables-save

Signed-off-by: Yuchen Dai <f2550135201283870cb3c3d0a55f74b43525a4a1@gmail.com>

* lint, sigh

Signed-off-by: Yuchen Dai <f2550135201283870cb3c3d0a55f74b43525a4a1@gmail.com>

smawson/istio,istio/istio,smawson/istio,istio/istio,smawson/istio,istio/istio,istio/istio,smawson/istio,smawson/istio,smawson/istio,istio/istio