Allow configuring ICMP rate limiter mask
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area: networking
type: enhancement
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Description
### Description
We currently always apply ICMP rates to ICMP errors, linux allows configuration of those flags through `net.ipv4.icmp_ratemask`/`net.ipv6.icmp.ratemask`. We should have the same knobs and apply them uniformly for all outbound ICMP traffic.
Derived from the discovery of rate-limited ICMP Echo traffic in #6519.
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