Backtrace

NETDEV WATCHDOG: enp0s9 (e1000): transmit queue 0 timed out
WARNING: CPU: 1 PID: 718 at net/sched/sch_generic.c:442 dev_watchdog+0x24e/0x260
Modules linked in: nf_conntrack_netbios_ns nf_conntrack_broadcast xt_CT ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter ipt_REJECT nf_reject_ipv4 xt_conntrack ebtable_nat ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security iptable_nat nf_nat iptable_mangle iptable_raw iptable_security nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 rfkill ip_set nfnetlink ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter sunrpc intel_rapl_msr intel_rapl_common sb_edac rapl snd_intel8x0 snd_ac97_codec ac97_bus snd_seq snd_seq_device snd_pcm snd_timer snd joydev soundcore i2c_piix4 pcspkr vboxguest ip_tables vmwgfx drm_kms_helper cec ttm drm crc32c_intel ata_generic serio_raw e1000 pata_acpi video fuse
CPU: 1 PID: 718 Comm: rngd Tainted: G             L    5.8.18-100.fc31.x86_64 #1
Hardware name: innotek GmbH VirtualBox/VirtualBox, BIOS VirtualBox 12/01/2006
RIP: 0010:dev_watchdog+0x24e/0x260
Code: 85 c0 75 e5 eb 9c 4c 89 ef c6 05 c0 68 23 01 01 e8 e7 05 fb ff 44 89 e1 4c 89 ee 48 c7 c7 28 fb 49 97 48 89 c2 e8 64 e8 6e ff <0f> 0b e9 7a ff ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00
RSP: 0000:ffffb0b3000c8e98 EFLAGS: 00010292
RAX: 000000000000003b RBX: ffff974993e95a00 RCX: 0000000000000027
RDX: 0000000000000027 RSI: 0000000000000096 RDI: ffff97499bc58d08
RBP: ffff974995bb43dc R08: ffff97499bc58d00 R09: 0000000000000003
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff974995bb4000 R14: ffff974995bb4480 R15: 0000000000000001
FS:  00007f5eab8e7700(0000) GS:ffff97499bc40000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5e94003000 CR3: 0000000116090006 CR4: 00000000000206e0
Call Trace:
 <IRQ>
 ? pfifo_fast_enqueue+0x150/0x150
 call_timer_fn+0x2d/0x130
 run_timer_softirq+0x183/0x490
 ? __entry_text_end+0x1fe8a2/0x1fe8a2
 __do_softirq+0xee/0x2ff
 ? handle_irq_event_percpu+0x4f/0x60
 asm_call_irq_on_stack+0x12/0x20
 </IRQ>
 do_softirq_own_stack+0x37/0x40
 irq_exit_rcu+0xd8/0xe0
 common_interrupt+0x75/0x150
 asm_common_interrupt+0x1e/0x40
RIP: 0010:__prepare_exit_to_usermode+0x10f/0x1e0
Code: 00 00 fa 66 0f 1f 44 00 00 65 48 8b 04 25 c0 7b 01 00 48 8b 00 41 89 c7 a9 0e 38 00 00 0f 84 56 ff ff ff fb 66 0f 1f 44 00 00 <41> f6 c7 08 74 a7 e8 76 1e b4 00 41 f7 c7 00 10 00 00 74 a2 48 89
RSP: 0000:ffffb0b3003a7f10 EFLAGS: 00010202
RAX: 0000000000000008 RBX: ffff9749971fcb00 RCX: 0000000000000020
RDX: ffff97499b238000 RSI: 0000000000000000 RDI: ffffb0b3003a7f58
RBP: ffffb0b3003a7f58 R08: 0000000000000000 R09: 0000003221ffc77d
R10: 0000003221f0853d R11: 00000000002af9d9 R12: ffff9749971fcb00
R13: ffff9749971fcb00 R14: ffff9749971fcb00 R15: 0000000000000008
 ? asm_sysvec_apic_timer_interrupt+0xa/0x20
 prepare_exit_to_usermode+0x5/0x30
 asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0033:0x7f5eacfbb5fc
Code: e9 84 00 00 00 b8 40 00 00 00 2b 45 d4 48 8b 55 c0 89 c1 48 d3 e2 48 89 d0 48 89 45 f0 48 c1 6d f0 3f 48 8b 45 e0 48 c1 e8 3f <48> 31 45 f0 48 8b 45 e0 48 c1 e8 3c 83 e0 01 48 31 45 f0 48 8b 45
RSP: 002b:00007f5eab8e6bd0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000034
RDX: c820000000000000 RSI: 0000000000000000 RDI: 00007ffcc9df8080
RBP: 00007f5eab8e6c20 R08: 0000000000020482 R09: 0000000061aa8de5
R10: 00007ffcc9df9000 R11: 0000003c260ea12b R12: 00007ffcc9d7b5ae
R13: 00007ffcc9d7b5af R14: 00005627136ba4a0 R15: 00005627136ba4a0