Could this be related?

[620533.9804061 RBP: 0000000000000000 R08: 0000000000000001 R09: 00007f9014000080 [620533.981792] R10: 00007f9014de0270 R11: 0000000000000206 R12: 00007f90477fdlfe [620533.983039] R13: 00007f90477fdlff R14: 00007f901ffff700 R15: 00007f901fffe540 [620541.767819] watchdog: BUG: soft lockup - CPU#4 stuck for 220 Enc4:Eantoor:5552.1 [620541.769193] Modules linked in: tun ueth nf_conntrack_netlink nfnetlink xfrm_user xfrn_algo xt_addrtype iptable filter xt c, ntrack br_petfilter bridge stp 11c ouerlay xt_nat xt_tcpudp iptable_nat xt_MASQUERADE nf_nat nf_conntrack nf_defraliipu6 -n id.nfjlefrag_ipu4 nouueau snd_bda_codec_realtek snd_hda_codec_generic ledtrig_audio mxn_wmi i2c_algo_bit ttm edac_mCe_amd snd a_intel drmitms_helper snd_hda_codec eeepc_wmi kum_and snd_hda_core sparse_keymap drm rfkill snd_hudep joydeu inputied s snd, cm r8169 wml_trmof kum irgbypass realtek snd_timer libphy agpgart ccp snd syscopyarea sysfillrect sysimgblt sp5100_tco sou ndcore fb_sys_fops rng_core i2cpiix4 crctlOdif_pclmul klOtemp crc32_pclmul ghash_clmulni_inte1 aesni_intel aes_x86_64 crypto_si md crypt& glue helper pcspkr wmi pinctrl_and pcc_cpufreq eudeu gpio_andpt mac_hid acpi_cpufreq nfsd auth_rpcgss nfs_acl lockd gr ace sunrpc ip_tables x tables ext4 crc16 mbcache jbd2 raid456 libcrc32c crc32c_generic async_raid6_recou 1620541.7692211 async memcpy async_pq async_xor xor async_tx raid6_pq raidl md_mod hid_generic sd_mod usbhid hid ahci libahci 1 ibata crc32c_intel xhcipci xhci_bcd scsi_mod 1620541.7638311 CPU: 4 PID: 5552 Comm: nc4:Eantoor Tainted: G U L 5.2.11-archl-l-ARCH #1 [620541.765314] Hardware name: System manufacturer System Product Name/PRIME B450-PLUS, BIBS 1804 07/29/2019 [620541.766760] RIP: 0010:smp_call_function_many+Ox20b/Ox270 [620541.766216] Code: e6 8a ae 78 00 3b 05 f8 Od 21 01 89 c7 Of 83 7a fe ff ff 48 63 c7 48 8b Ob 48 03 Oc c5 60 ba d6 al 8b 41 1 6 a8 01 74 Oa f3 90 <ft> 51 16 83 e2 01 75 f6 eb c9 48 c7 c2 c0 14 f4 al 4c 89 fe 89 df [620541.791144] RSP: 0016:ffffaefd63e2bcd0 EFLAGS: 00000202 ORIG_RAX: ffffffffffffffl3 [620541.7925011 RAX: 0000000000000003 RBX: ffff8fe6be72b440 RCX: ffff8fe6be7flle0 1620541.793697] RDX: 0000000000000001 BSI: 0000000000000000 RDI: 0000000000000007 [620541.795357] RBP: ffffffffa0c7c7e0 R08: ffff8fe6be72b448 R09: ffff8fe6be72b470 1620541.796751] R10: ffff8fe6be72b448 R11: 0000000000000005 R12: ffff8febbe729d40 1620541:798198] R13: ffff8fe6be72b448 R14: 0000000000000001 R15: 0000000000000140 [620541.799600] FS: 00007f9044d5c700(0000) G3:ffff8fe6be700000(0000) knlGS:0000000000000000 [620541.800986] CS: 0010 DS: 0000 ES: 0000 CH0: 0000000080050033 [620541.802414] CR2: 00007f9062e8 f3b0 CR3: 00000003ae65a000 CR4: 00000000003406e0 [620541.803847] Call Trace: [629541.80-r 8] flush tlb mm_range+Oxe1/0x140 1620541.8065503 tlb_flush mmu+Ox72/0x140 [628541.807929] tlb_finish_mmu+Ox3d/Ox70 t62e541me92?el zap_page_range+Oxl4b/Oxia0 [620541.810589] se sys maduise+Ox613/0x890 [620541.811932] ? do syscall_64+0x5f/Ox1d0 [628541.813277] do syscall_64+0x5f/Ox1d0 [629541.8146481 ? page_fault+Ox8/0x30 [628541.815992] entry SYSCALL64afterbaframe+Ox44/0xa9 [620541i817395] RIP: 0833:0x7f9062dd7597 russdriAluffral Code: ff ff ff ff c3 48 8b 15 f7 f8 Oc 00 f7 d8 64 89 02 b8 ff ff ff ff eb be 66 2e Of if 84 00 00 00 00 00 90 b 8 lc ee ee ee Of 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b Od c9 f8 c 0 f7 dB 64 89 01 48 1.8Z1587.1 1SP: 082b:00007f9044d5b478 EFLAGS: 00000206 ORIG_ORAX:0 000000000000001c tfiZe541.13229471 RAX: ffffffffffffffda RBX. 00007f904455c000 RCX: 00007f9062dd7597 00000000007fb000 RDI: 00007f904455c000 E629541.8Z44311 RDX: 000 00000004 BSI: [ 1.8258153] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007f9024000080 E 1.8M871 B1e: 00007f90246af180R11: 0000000000000206 R12: 00007f9047ffelfe I 1.8287181 R13: 00007f9047ffelff R14: 00007f9044d5c700 R15: 00007f9044d5b540 
ME, 

Sorry, no logging in syslog because the machine crashes hard. 
Optional picture of the output: https://iot.jcz.nl/soft_lockup.jpg