Interesting. And it's good that it didn't happen again last night.
With the RTT problem, it's possible that it was as a result of bad weather at your gateway location, or even a glitch somewhere along the transmission route. Hopefully it won't happen again, but if it does, please do let us know.
Ryzen 5 3400G | MSI B450M Pro-M2 MAX | 16GB Corsair Vengeance DDR4 3000 | XPG SX8200 Pro 512GB NVMe | Windows 10 Pro