[ 135.4214103] panic: kmsan_intr_enter: lwp->ctx = 16
[ 135.4214103] cpu1: Begin traceback...
[ 135.4214103] vpanic() at netbsd:vpanic+0xc9d
[ 135.4214103] panic() at netbsd:panic+0x1b3 sys/kern/subr_prf.c:210
[ 135.4214103] kmsan_intr_enter() at netbsd:kmsan_intr_enter+0x74 sys/kern/subr_msan.c:446
[ 135.4214103] DDB lost frame for netbsd:Xintr_legacy7+0xae, trying 0xffff940090bbd3c0
[ 135.4214103] Xintr_legacy7() at netbsd:Xintr_legacy7+0xae
[ 135.4214103] --- interrupt ---
[ 135.4214103] Bad frame pointer: 0xffff94001385f058
[ 135.4214103] 50206:
[ 135.4214103] cpu1: End traceback...
SeaBIOS (version 1.8.2-google)
Total RAM Size = 0x0000000200000000 = 8192 MiB
CPUs found: 2     Max CPUs supported: 2
SeaBIOS (version 1.8.2-google)
Machine UUID 4963d8e0-a876-535f-2af4-31a05e18d06d
found virtio-scsi at 0:3
virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0
virtio-scsi blksize=512 sectors=4194304 = 2048 MiB
drive 0x000f2700: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...

>> NetBSD/x86 BIOS Boot, Revision 5.11 (Thu Jun 11 19:20:47 UTC 2020) (from NetBSD 9.99.65)
>> Memory: 639/3144640 k

     1. Boot normally
     2. Boot single user
     3. Drop to boot prompt

Choose an option; RETURN for default; SPACE to stop countdown.
Option 1 will be chosen in 5 seconds. 4 seconds. 3 seconds. 2 seconds. 1 seconds. 0 seconds. 0 seconds.     
command(s): rndseed /var/db/entropy-file;boot
default boot twice, skipping...