Is that your means on VM that attach use if I just check box support vmotion is that enough ?

1- Because I have more than 10 hosts in my cluster now if USB is plug to esxi1 and attach to vm1 on esxi1 while it vmotion from esxi1 to esxi2 USB will bw work without lost connection ?

2- if esxi host1 which usb is connected to that failed while VM1 is on host2 now what happen will be do ?

3- due to update esxi hosts what happen ? because have to reset all hosts?