bhyve ivhd errors after upgrade host to 13.1

As the title says - after upgrading the host from 13.0 to 13.1, it throws an insane amount (~100/sec) of ivhd messages on the host as soon as I start any bhyve vm with passthru network interface (most of them are FreeBSD 13.1).
The NICs are intel i350 (4-port), Intel 82580 (4-port), Broadcom bcm5720 (2-port).
This was already pretty sloppy under 13.0 (ivhd errors after swapping ppt devices between vms, etc), now it become completely useless under 13.1.

Any suggestions?

A snippet from /var/log/messages of the host:
Code:
May 19 18:59:59 fx kernel: ivhd0:       [Event97: Head:0x600 Tail:0x70]
May 19 18:59:59 fx kernel:      [INV_DTE devid:0xa0 addr:0xfdf9103300 type:0x3 tr:0]
May 19 18:59:59 fx kernel: ivhd0:       [Event98: Head:0x610 Tail:0x70]
May 19 18:59:59 fx kernel:      [INV_DTE devid:0xa0 addr:0xfdf9103300 type:0x3 tr:0]
May 19 18:59:59 fx kernel: ivhd0:       [Event99: Head:0x620 Tail:0x70]
May 19 18:59:59 fx kernel:      [INV_DTE devid:0xa0 addr:0xfdf9103300 type:0x3 tr:0]
May 19 18:59:59 fx kernel: ivhd0:       [Event100: Head:0x630 Tail:0x70]
May 19 18:59:59 fx kernel:      [INV_DTE devid:0xa0 addr:0xfdf9103300 type:0x3 tr:0]
May 19 18:59:59 fx kernel: ivhd0:       [Event101: Head:0x640 Tail:0x70]
May 19 18:59:59 fx kernel:      [INV_DTE devid:0xa0 addr:0xfdf9103300 type:0x3 tr:0]
May 19 18:59:59 fx kernel: ivhd0:       [Event102: Head:0x650 Tail:0x70]
May 19 18:59:59 fx kernel:      [INV_DTE devid:0xa0 addr:0xfdf9103300 type:0x3 tr:0]
Best
Drs
 
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