last executing test programs:

kernel console output (not intermixed with test programs):

Warning: Permanently added '10.128.0.136' (ED25519) to the list of known hosts.
Stopping sshd: stopped /usr/sbin/sshd (pid 5522)
OK
Stopping crond: stopped /usr/sbin/crond (pid 5510)
OK
Stopping dhcpcd...
stopped /sbin/dhcpcd (pid 5431)
Stopping network: OK
Stopping iptables: OK
Stopping system message bus: done
Stopping klogd: OK
Stopping acpid: [   81.306378][ T5759] cgroup: Unknown subsys name 'net'
[   81.475806][ T5759] cgroup: Unknown subsys name 'rlimit'
OK
Stopping syslogd: stopped /sbin/syslogd (pid 5119)
OK
Setting up swapspace version 1, size = 127995904 bytes
umount: devtmpfs busy - remounted read-only
umount: can't remount /dev/root read-only
The system is going down NOW!
Sent SIGTERM to all processes
Connection to 10.128.0.136 closed by remote host.
[   83.976041][ T5759] Adding 124996k swap on ./swap-file.  Priority:0 extents:1 across:124996k 
[   84.069136][ T5759] syz-executor (5759) used greatest stack depth: 20592 bytes left
Sent SIGKILL to all processes
Requesting system poweroff
[   85.961044][  T970] cfg80211: failed to load regulatory.db
[   85.972560][ T5815] sd 0:0:1:0: [sda] Synchronizing SCSI cache
[   85.982329][ T5815] ACPI: PM: Preparing to enter system sleep state S5
[   85.990862][ T5815] kvm: exiting hardware virtualization
[   85.996489][ T5815] reboot: Power down
serialport: VM disconnected.