Shuffling cache misses

[philknows]

Describe the bug

Shuffling cache misses have been seen for over the last 2 months (and potentially further back but data previous to that has been purged).

Expected behavior

This should ideally be 0.

Steps to reproduce

No response

Additional context

No response

Operating system

Linux

Lodestar version or commit hash

unstable

[philknows]

Likely this metric is also incorrect on the Networking dashboard.