shell# sha256 -h /var/db/kernel.SHA256 /bsd
shell# sha256 bsd*
SHA256 (bsd) = ccf1c1a0e65b3e412199a1d4401b9357fb23eb8dae87a7896b01357c7bcc16d6
SHA256 (bsd.booted) = ccf1c1a0e65b3e412199a1d4401b9357fb23eb8dae87a7896b01357c7bcc16d6
SHA256 (bsd.mp) = b5442ae9089ae87a86e995dc04238e994dadf3bfa28ef4e02fe62251cbce73a7
SHA256 (bsd.rd) = f028d397f85f8ef01476ec849c2da83d39649d8d4c6f97b624aa9efb29de909a
shell# reboot
syncing disks... done
vmmci0: powerdown
rebooting...
[ using 2134952 bytes of bsd ELF symbol table ]
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.
Copyright (c) 1995-2019 OpenBSD. All rights reserved.  https://www.OpenBSD.org

OpenBSD 6.5 (GENERIC.MP) #3: Sat Apr 13 14:48:43 MDT 2019
    deraadt@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
    real mem = 4278190080 (4080MB)
avail mem = 4138905600 (3947MB)
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0
acpi at bios0 not configured
cpu0 at mainbus0: (uniprocessor)
cpu0: Intel(R) Xeon(R) CPU E3-1270 v3 @ 3.50GHz, 3492.58 MHz, 06-3c-03
cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,CX8,SEP,PGE,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,MOVBE,POPCNT,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,PAGE1GB,LONG,LAHF,ABM,ITSC,FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,MELTDOWN
cpu0: 256KB 64b/line 8-way L2 cache
cpu0: smt 0, core 0, package 0
pvbus0 at mainbus0: OpenBSD
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "OpenBSD VMM Host" rev 0x00
virtio0 at pci0 dev 1 function 0 "Qumranet Virtio RNG" rev 0x00
viornd0 at virtio0
virtio0: irq 3
virtio1 at pci0 dev 2 function 0 "Qumranet Virtio Network" rev 0x00
rtio1: address fe:e1:bb:d1:0c:cc
virtio1: irq 5
virtio2 at pci0 dev 3 function 0 "Qumranet Virtio Storage" rev 0x00
vioblk0 at virtio2
scsibus1 at vioblk0: 2 targets
sd0 at scsibus1 targ 0 lun 0: <VirtIO, Block Device, > SCSI3 0/direct fixed
sd0: 20480MB, 512 bytes/sector, 41943040 sectors
virtio2: irq 6
virtio3 at pci0 dev 4 function 0 "OpenBSD VMM Control" rev 0x00
vmmci0 at virtio3
virtio3: irq 7
isa0 at mainbus0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns16450, no fifo
com0: console
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (bfddb14c0ee2c134.a) swap on sd0b dump on sd0b
Automatic boot in progress: starting file system checks.
/dev/sd0a (bfddb14c0ee2c134.a): file system is clean; not checking
/dev/sd0k (bfddb14c0ee2c134.k): file system is clean; not checking
/dev/sd0d (bfddb14c0ee2c134.d): file system is clean; not checking
/dev/sd0f (bfddb14c0ee2c134.f): file system is clean; not checking
/dev/sd0g (bfddb14c0ee2c134.g): file system is clean; not checking
/dev/sd0h (bfddb14c0ee2c134.h): file system is clean; not checking
/dev/sd0j (bfddb14c0ee2c134.j): file system is clean; not checking
/dev/sd0i (bfddb14c0ee2c134.i): file system is clean; not checking
/dev/sd0e (bfddb14c0ee2c134.e): file system is clean; not checking
pf enabled
kern.timecounter.hardware: i8254 -> tsc
starting network
reordering libraries: done.
starting early daemons: syslogd pflogd ntpd.
starting RPC daemons:.
savecore: no core dump
checking quotas: done.
clearing /tmp
kern.securelevel: 0 -> 1
creating runtime link editor directory cache.
preserving editor files.
starting network daemons: sshd smtpd httpd sndiod.
starting local daemons: cron.
Thu Apr 25 11:45:47 CEST 2019
reorder_kernel: kernel relinking failed; see /usr/share/relink/kernel/GENERIC.MP/relink.log

OpenBSD/amd64 (shell.codevoid.de) (tty00)

login: root
Password:
Last login: Thu Apr 25 11:26:47 on tty00
OpenBSD 6.5 (GENERIC.MP) #3: Sat Apr 13 14:48:43 MDT 2019

Welcome to OpenBSD: The proactively secure Unix-like operating system.

Please use the sendbug(1) utility to report bugs in the system.
Before reporting a bug, please try to reproduce it with the latest
version of the code.  With bug reports, please try to ensure that
enough information to reproduce the problem is enclosed, and if a
known fix for it exists, include that as well.

You have mail.
shell# cat /usr/share/relink/kernel/GENERIC.MP/relink.log
(SHA256) /bsd: OK
make: don't know how to make newbsd
Stop in /usr/share/relink/kernel/GENERIC.MP
shell#