after a full day of searching for a possible cause, someone from microsoft suggested that they try to move the express route gateways (which are seemingly VMs i

after a full day of searching for a possible cause, someone from microsoft suggested that they try to move the express route gateways (which are seemingly VMs inside of Azure) to a different hypervisor. For now it seems like the first gateway was flipping bits and on new hardware it is running normal again... That was a very interesting day troubleshooting wise