Okay, after a few minutes under Disco, I'm still experiencing strange delays on WiFi on my home router, Netgear R7000, very very similar to the latencies on Mozilla's network. Revering to v34 firmware seems to workaround the issue.
> [ 6.367375] iwlwifi 0000:3d:00.0: loaded firmware version 36.9f0a2d68.0 op_mode iwlmvm
> [ 6.406151] iwlwifi 0000:3d:00.0: Detected Intel(R) Dual Band Wireless AC 8265, REV=0x230
Okay, after a few minutes under Disco, I'm still experiencing strange delays on WiFi on my home router, Netgear R7000, very very similar to the latencies on Mozilla's network. Revering to v34 firmware seems to workaround the issue.
> [ 6.367375] iwlwifi 0000:3d:00.0: loaded firmware version 36.9f0a2d68.0 op_mode iwlmvm
> [ 6.406151] iwlwifi 0000:3d:00.0: Detected Intel(R) Dual Band Wireless AC 8265, REV=0x230