I have exactly the same issue - Just upgraded to 8.0.1.00100 but problem persists.
Any pointers would be appreciated.
@Sergey_77777 You might want to take a look at the solution in the following post:
Solved: Re: /storage/core 100% usage with core.snmpd.xxxxx... - VMware Technology Network VMTN
This worked around the problem for me until a proper fix is released.