Same problem here
ESXI 6.7
HassOs update 5.10 > 5.11
supervisor-2021.02.6
core-2021.2.2
I am runnng
Zigbee2MQTT
C2531 zigbee stick
Node Red
The last months i had more problems, so i make snapshot in ESXI before.
After waiting for 30 minutes i reverted to the old snapshot and running in less then 1 minute.