sleep transition timed out kernel panic, suspected bundle IOUSBHostFamily

this is happening now fairly regularly on the new M1 Macbook Air.

panic(cpu 3 caller 0xfffffe00128e4088): Sleep transition timed out after 35 seconds while entering darkwake on way to sleep. Suspected bundle: com.apple.iokit.IOUSBHostFamily. Thread 0xb3f50.
Debugger message: panic
Memory ID: 0xff
OS release type: User
OS version: 20D64
Kernel version: Darwin Kernel Version 20.3.0: Thu Jan 21 00:06:51 PST 2021; root:xnu-7195.81.3~1/RELEASE_ARM64_T8101
Fileset Kernelcache UUID: F08F12DFF70C39DBC0CC09CC01116325
Kernel UUID: 9FE8C0DA-8ED0-381C-9CEC-2A779F3E1503
iBoot version: iBoot-6723.81.1
secure boot?: YES
Paniclog version: 13
KernelCache slide: 0x000000000a538000
KernelCache base:  0xfffffe001153c000
Kernel slide:      0x000000000b06c000
Kernel text base:  0xfffffe0012070000
Kernel text exec base:  0xfffffe0012138000
mach_absolute_time: 0x2131057ce6e
Epoch Time:        sec       usec
  Boot    : 0x6019a4f3 0x0009d656
  Sleep   : 0x601f3437 0x000eedaf
  Wake    : 0x601f362b 0x00027e84
  Calendar: 0x601f5a6c 0x0002e42d

CORE 0 recently retired instr at 0xfffffe00122a2c0c
CORE 1 recently retired instr at 0xfffffe00122a2c0c
CORE 2 recently retired instr at 0xfffffe00122a2c0c
CORE 3 recently retired instr at 0xfffffe00122a1748
CORE 4 recently retired instr at 0xfffffe00122a2c10
CORE 5 recently retired instr at 0xfffffe00122a2c10
CORE 6 recently retired instr at 0xfffffe00122a2c10
CORE 7 recently retired instr at 0xfffffe00122a2c10
Panicked task 0xfffffe166d3458e0: 125419 pages, 462 threads: pid 0: kernel_task
Panicked thread: 0xfffffe168bbbf2c0, backtrace: 0xfffffe3fe0c5b470, tid: 737103
		  lr: 0xfffffe0012185fd0  fp: 0xfffffe3fe0c5b4e0
		  lr: 0xfffffe0012185d9c  fp: 0xfffffe3fe0c5b550
		  lr: 0xfffffe00122a7f0c  fp: 0xfffffe3fe0c5b570
		  lr: 0xfffffe00122998b8  fp: 0xfffffe3fe0c5b620
		  lr: 0xfffffe001213f7e8  fp: 0xfffffe3fe0c5b630
		  lr: 0xfffffe0012185a2c  fp: 0xfffffe3fe0c5b9c0
		  lr: 0xfffffe0012185a2c  fp: 0xfffffe3fe0c5ba30
		  lr: 0xfffffe00129206a0  fp: 0xfffffe3fe0c5ba50
		  lr: 0xfffffe00128e4088  fp: 0xfffffe3fe0c5bd70
		  lr: 0xfffffe001282f9bc  fp: 0xfffffe3fe0c5bd90
		  lr: 0xfffffe00121c751c  fp: 0xfffffe3fe0c5be10
		  lr: 0xfffffe00121c6ff8  fp: 0xfffffe3fe0c5bf00
		  lr: 0xfffffe0012148c14  fp: 0x0000000000000000

last started kext at 1158116844950: com.apple.driver.AppleXsanScheme	3 (addr 0xfffffe0011b70000, size 16384)
last stopped kext at 709358133772: com.apple.driver.usb.AppleUSBHostPacketFilter	1.0 (addr 0xfffffe0011ed8000, size 16384)
loaded kexts:
...