panic(cpu 1 caller 0xffffff7f8ce4faae): watchdog timeout: no checkins from watchdogd in 304 seconds (1047 totalcheckins since monitoring last enabled), shutdown in progress
Backtrace (CPU 1), Frame : Return Address
0xffffff812103bc40 : 0xffffff800bd215cd 
0xffffff812103bc90 : 0xffffff800be5a3c5 
0xffffff812103bcd0 : 0xffffff800be4bf7e 
0xffffff812103bd20 : 0xffffff800bcc7a40 
0xffffff812103bd40 : 0xffffff800bd20c97 
0xffffff812103be40 : 0xffffff800bd21087 
0xffffff812103be90 : 0xffffff800c4c2ce8 
0xffffff812103bf00 : 0xffffff7f8ce4faae 
0xffffff812103bf10 : 0xffffff7f8ce4f486 
0xffffff812103bf50 : 0xffffff7f8ce64d9c 
0xffffff812103bfa0 : 0xffffff800bcc713e 
      Kernel Extensions in backtrace:
         com.apple.driver.watchdog(1.0)[99A75EFF-7734-31A0-80BF-FF8288E30D9B]@0xffffff7f8ce4e000->0xffffff7f8ce56fff
         com.apple.driver.AppleSMC(3.1.9)[601E041E-0A5C-3B6A-A4E6-45ECC7F48A2B]@0xffffff7f8ce57000->0xffffff7f8ce75fff
            dependency: com.apple.iokit.IOACPIFamily(1.4)[9D1FF279-C4A2-3344-902F-E0B22B508689]@0xffffff7f8ce45000
            dependency: com.apple.driver.watchdog(1)[99A75EFF-7734-31A0-80BF-FF8288E30D9B]@0xffffff7f8ce4e000
            dependency: com.apple.iokit.IOPCIFamily(2.9)[1B1F3BBB-9212-3CF9-94F8-8FEF0D3ACEC4]@0xffffff7f8c731000

BSD process name corresponding to current thread: kernel_task

Mac OS version:
19E287

Kernel version:
Darwin Kernel Version 19.4.0: Wed Mar  4 22:28:40 PST 2020; root:xnu-6153.101.6~15/RELEASE_X86_64
Kernel UUID: AB0AA7EE-3D03-3C21-91AD-5719D79D7AF6
Kernel slide:     0x000000000ba00000
Kernel text base: 0xffffff800bc00000
__HIB  text base: 0xffffff800bb00000
System model name: iMac18,2 (Mac-77F17D7DA9285301)
System shutdown begun: YES
Panic diags file available: YES (0x0)

System uptime in nanoseconds: 10801504554762
last loaded kext at 85673055531: >!AHIDKeyboard	209 (addr 0xffffff7f92461000, size 36864)
last unloaded kext at 260120574362: >usb.IOUSBHostHIDDevice	1.2 (addr 0xffffff7f8cfa4000, size 49152)
loaded kexts:
>!ATopCaseHIDEventDriver	3430.1
>!AUpstreamUserClient	3.6.8
@kext.AMDFramebuffer	3.0.8
>AudioAUUC	1.70
@kext.AMDRadeonX4000	3.0.8
@kext.AMDRadeonServiceManager	3.0.8
>!AGraphicsDevicePolicy	5.1.16
@AGDCPluginDisplayMetrics	5.1.16
@fileutil	20.036.15
>!AHV	1
|IOUserEthernet	1.0.1
|IO!BSerialManager	7.0.4f6
>AGPM	111.4.4
>!APlatformEnabler	2.7.0d0
>X86PlatformShim	1.0.0
>pmtelemetry	1
@Dont_Steal_Mac_OS_X	7.0.0
>!A!IKBLGraphics	14.0.5
>!AHDA	283.15
>!A!IPCHPMC	2.0.1
@kext.AMD9500!C	3.0.8
>!AThunderboltIP	3.1.4
|Broadcom!B20703USBTransport	7.0.4f6
>!AGFXHDA	100.1.426
>eficheck	1
>!ASMCLMU	212
>!A!ISlowAdaptiveClocking	4.0.0
>!A!IKBLGraphicsFramebuffer	14.0.5
>!AMCCSControl	1.11
@filesystems.autofs	3.0
>!AVirtIO	1.0
@filesystems.hfs.kext	522.100.5
@!AFSCompression.!AFSCompressionTypeDataless	1.0.0d1
@BootCache	40
@!AFSCompression.!AFSCompressionTypeZlib	1.0.0
@filesystems.apfs	1412.101.1
>!ASDXC	1.7.7
|!ABCM5701Ethernet	10.3.5
>AirPort.BrcmNIC	1400.1.1
@private.KextAudit	1.0
>!AAHCIPort	341.0.2
>!AACPIButtons	6.1
>!ARTC	2.0
>!ASMBIOS	2.1
>!AACPIEC	6.1
>!AAPIC	1.7
$!AImage4	1
@nke.applicationfirewall	303
$TMSafetyNet	8
@!ASystemPolicy	2.0.0
|EndpointSecurity	1
>!AHIDKeyboard	209
>!AMultitouchDriver	3440.1
>!AInputDeviceSupport	3440.8
>!AHS!BDriver	3430.1
>IO!BHIDDriver	7.0.4f6
@kext.AMDRadeonX4200HWLibs	1.0
@kext.AMDRadeonX4000HWServices	3.0.8
>!AGraphicsControl	5.1.16
|IOAVB!F	840.3
>!ASSE	1.0
>DspFuncLib	283.15
@kext.OSvKernDSPLib	529
@!AGPUWrangler	5.1.16
|Broadcom!BHost!CUSBTransport	7.0.4f6
|IO!BHost!CUSBTransport	7.0.4f6
|IO!BHost!CTransport	7.0.4f6
|IO!B!F	7.0.4f6
|IO!BPacketLogger	7.0.4f6
>!AHDA!C	283.15
|IOHDA!F	283.15
|IONDRVSupport	575.1
>!ASMBusPCI	1.0.14d1
@kext.AMDSupport	3.0.8
>X86PlatformPlugin	1.0.0
>IOPlatformPlugin!F	6.0.0d8
|IOSlowAdaptiveClocking!F	1.0.0
@!AGraphicsDeviceControl	5.1.16
|IOAccelerator!F2	438.4.5
>!ASMBus!C	1.0.18d1
|IOGraphics!F	575.1
@plugin.IOgPTPPlugin	840.3
@kext.triggers	1.0
>usb.networking	5.0.0
>usb.!UHostCompositeDevice	1.2
|IOAudio!F	300.2
@vecLib.kext	1.2.0
|IOSerial!F	11
|IOSurface	269.11
@filesystems.hfs.encodings.kext	1
|IOAHCIBlock!S	316.100.5
>!AThunderboltDPInAdapter	6.2.6
>!AThunderboltDPAdapter!F	6.2.6
>!AThunderboltPCIDownAdapter	2.5.4
>!AHPM	3.4.4
>!A!ILpssI2C!C	3.0.60
>!A!ILpssDmac	3.0.60
>!A!ILpssI2C	3.0.60
>!AThunderboltNHI	5.8.6
|IOThunderbolt!F	7.6.0
|IOEthernetAVB!C	1.1.0
|IO80211!F	1200.12.2b1
>mDNSOffloadUserClient	1.0.1b8
>corecapture	1.0.4
|IOSkywalk!F	1
|IOUSB!F	900.4.2
|IOAHCI!F	290.0.1
>usb.!UXHCIPCI	1.2
>usb.!UXHCI	1.2
>!AEFINVRAM	2.1
>!AEFIRuntime	2.1
|IOSMBus!F	1.1
|IOHID!F	2.0.0
$quarantine	4
$sandbox	300.0
@kext.!AMatch	1.0.0d1
>DiskImages	493.0.0
>!AFDEKeyStore	28.30
>!AEffaceable!S	1.0
>!AKeyStore	2
>!UTDM	489.101.1
|IOSCSIBlockCommandsDevice	422.101.1
>!ACredentialManager	1.0
>KernelRelayHost	1
>!ASEPManager	1.0.1
>IOSlaveProcessor	1
|IOUSBMass!SDriver	157.101.3
|IOSCSIArchitectureModel!F	422.101.1
|IO!S!F	2.1
|IOUSBHost!F	1.2
>!UHostMergeProperties	1.2
>usb.!UCommon	1.0
>!ABusPower!C	1.0
|CoreAnalytics!F	1
>!AMobileFileIntegrity	1.0.5
@kext.CoreTrust	1
|IOTimeSync!F	840.3
|IONetworking!F	3.4
|IOReport!F	47
>!AACPIPlatform	6.1
>!ASMC	3.1.9
>watchdog	1
|IOPCI!F	2.9
|IOACPI!F	1.4
@kec.pthread	1
@kec.corecrypto	1.0
@kec.Libm	1