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2cf6a47cca
Fixes an issue we observed on staging that happens when the autoscaler-agent attempts to immediately downscale the VM after binding, which is typical for pooled computes. The issue was occurring because the autoscaler-agent was requesting downscaling before the vm-monitor had gathered sufficient cgroup memory stats to be confident in approving it. When the vm-monitor returned an internal error instead of denying downscaling, the autoscaler-agent retried the connection and immediately hit the same issue (in part because cgroup stats are collected per-connection, rather than globally).