I can confirm this bug on a Lenovo Ideapad S9E(NIC BCM5906M). The problem was noticed for the first time when using the Ideapad as a pulseaudio network sound server. Turning off gso alone did not solve the problem for all traffic patterns. Setting the MTU to 1000 AND turning off gso solved the problem for all tested traffic patterns.
I can confirm this bug on a Lenovo Ideapad S9E(NIC BCM5906M). The problem was noticed for the first time when using the Ideapad as a pulseaudio network sound server. Turning off gso alone did not solve the problem for all traffic patterns. Setting the MTU to 1000 AND turning off gso solved the problem for all tested traffic patterns.
Thanks for posting a solution!