[   10.976007] ------------[ cut here ]------------
[   10.976009] NETDEV WATCHDOG: enp1s0f0 (i40e): transmit queue 4 timed out
[   10.976022] WARNING: CPU: 7 PID: 0 at /build/linux-hwe-jbofgD/linux-hwe-4.15.0/net/sched/sch_generic.c:323 dev_watchdog+0x222/0x230
[   10.976023] Modules linked in: ip6table_mangle ip6_tables xt_DSCP xt_tcpudp iptable_mangle ip_tables x_tables ipmi_ssif nls_iso8859_1 intel_rapl x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm irqbypass intel_cstate dcdbas intel_rapl_perf input_leds joydev intel_wmi_thunderbolt mei_me mei intel_pch_thermal ipmi_si shpchp ie31200_edac acpi_power_meter mac_hid ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi ipmi_watchdog ipmi_devintf ipmi_msghandler coretemp autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul mgag200 crc32_pclmul ghash_clmulni_intel pcbc i2c_algo_bit ttm drm_kms_helper hid_generic aesni_intel syscopyarea sysfillrect usbhid
[   10.976065]  aes_x86_64 sysimgblt crypto_simd hid glue_helper fb_sys_fops i40e tg3 ahci cryptd drm libahci ptp megaraid_sas pps_core wmi video
[   10.976073] CPU: 7 PID: 0 Comm: swapper/7 Not tainted 4.15.0-32-generic #35~16.04.1-Ubuntu
[   10.976074] Hardware name: Dell Inc. PowerEdge R330/0H5N7P, BIOS 2.5.0 05/03/2018
[   10.976075] RIP: 0010:dev_watchdog+0x222/0x230
[   10.976076] RSP: 0018:ffff9f2e2fdc3e68 EFLAGS: 00010282
[   10.976077] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000006
[   10.976078] RDX: 0000000000000007 RSI: 0000000000000082 RDI: ffff9f2e2fdd6490
[   10.976078] RBP: ffff9f2e2fdc3e98 R08: 0000000000000001 R09: 0000000000000385
[   10.976079] R10: 0000000000000000 R11: 0000000000000385 R12: 0000000000000040
[   10.976079] R13: ffff9f2e0b174000 R14: ffff9f2e0b174478 R15: ffff9f2dfe774f40
[   10.976080] FS:  0000000000000000(0000) GS:ffff9f2e2fdc0000(0000) knlGS:0000000000000000
[   10.976081] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.976081] CR2: 00007f5912290000 CR3: 00000004a8c0a002 CR4: 00000000003606e0
[   10.976082] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   10.976083] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   10.976083] Call Trace:
[   10.976084]  <IRQ>
[   10.976086]  ? dev_deactivate_queue.constprop.33+0x60/0x60
[   10.976088]  call_timer_fn+0x32/0x140
[   10.976089]  run_timer_softirq+0x1ed/0x440
[   10.976090]  ? ktime_get+0x3e/0xa0
[   10.976092]  ? lapic_next_deadline+0x26/0x30
[   10.976094]  __do_softirq+0xf5/0x28f
[   10.976096]  irq_exit+0xb8/0xc0
[   10.976097]  smp_apic_timer_interrupt+0x79/0x140
[   10.976098]  apic_timer_interrupt+0x84/0x90
[   10.976099]  </IRQ>
[   10.976101] RIP: 0010:cpuidle_enter_state+0xa7/0x300
[   10.976101] RSP: 0018:ffffb95e031f7e60 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11
[   10.976102] RAX: ffff9f2e2fde2880 RBX: 0000000000000001 RCX: 000000000000001f
[   10.976103] RDX: 0000000000000000 RSI: 0000000024879922 RDI: 0000000000000000
[   10.976103] RBP: ffffb95e031f7e98 R08: ffff9f2e2fde16a4 R09: 0000000000000008
[   10.976104] R10: ffffb95e031f7e30 R11: 0000000000000050 R12: 0000000000000001
[   10.976104] R13: ffff9f2e2fdecb00 R14: ffffffffbd171cd8 R15: 000000028e384552
[   10.976106]  cpuidle_enter+0x17/0x20
[   10.976108]  call_cpuidle+0x23/0x40
[   10.976109]  do_idle+0x197/0x200
[   10.976111]  cpu_startup_entry+0x73/0x80
[   10.976112]  start_secondary+0x1ab/0x200
[   10.976113]  secondary_startup_64+0xa5/0xb0
[   10.976114] Code: 37 00 49 63 4e e8 eb 92 4c 89 ef c6 05 a6 c3 d8 00 01 e8 42 37 fd ff 89 d9 48 89 c2 4c 89 ee 48 c7 c7 38 a1 d9 bc e8 be 97 80 ff <0f> 0b eb c0 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48
[   10.976133] ---[ end trace 1bc547bc3aba1f6c ]---
[   10.976138] i40e 0000:01:00.0 enp1s0f0: tx_timeout: VSI_seid: 388, Q 4, NTC: 0x0, HWB: 0x0, NTU: 0x1, TAIL: 0x1, INT: 0x1
[   10.976139] i40e 0000:01:00.0 enp1s0f0: tx_timeout recovery level 1, hung_queue 4
[   10.976446] i40e 0000:01:00.0: VSI seid 388 Tx ring 0 disable timeout
[   16.864012] i40e 0000:01:00.0 enp1s0f0: tx_timeout: VSI_seid: 388, Q 1, NTC: 0x0, HWB: 0x0, NTU: 0x1, TAIL: 0x1, INT: 0x1
[   16.864034] i40e 0000:01:00.0 enp1s0f0: tx_timeout recovery level 2, hung_queue 1
[   16.918729] i40e 0000:01:00.0: VSI seid 388 Tx ring 0 disable timeout
[   26.713172] TCP: request_sock_TCP: Possible SYN flooding on port 80. Sending cookies.  Check SNMP counters.
[   35.808083] i40e 0000:01:00.0 enp1s0f0: tx_timeout: VSI_seid: 388, Q 8, NTC: 0x0, HWB: 0x0, NTU: 0x1eb, TAIL: 0x1eb, INT: 0x1
[   35.808105] i40e 0000:01:00.0 enp1s0f0: tx_timeout recovery level 3, hung_queue 8
[   35.858470] i40e 0000:01:00.0: VSI seid 388 Tx ring 8 disable timeout
[   39.015341] i40e 0000:01:00.0 enp1s0f0: NIC Link is Down
[   44.257220] i40e 0000:01:00.0 enp1s0f0: NIC Link is Up, 10 Gbps Full Duplex, Flow Control: None
[   45.746306] i40e 0000:01:00.0: VSI seid 388 Tx ring 8 disable timeout
[   73.600368] usb 1-3.1: USB disconnect, device number 3
[  114.912060] i40e 0000:01:00.0 enp1s0f0: tx_timeout: VSI_seid: 388, Q 5, NTC: 0x0, HWB: 0x0, NTU: 0x1, TAIL: 0x1, INT: 0x1
[  114.912065] i40e 0000:01:00.0 enp1s0f0: tx_timeout recovery level 1, hung_queue 5
[  114.912506] i40e 0000:01:00.0: VSI seid 388 Tx ring 0 disable timeout
[  333.024050] i40e 0000:01:00.0 enp1s0f0: tx_timeout: VSI_seid: 388, Q 5, NTC: 0x0, HWB: 0x0, NTU: 0x1, TAIL: 0x1, INT: 0x1
[  333.024077] i40e 0000:01:00.0 enp1s0f0: tx_timeout recovery level 1, hung_queue 5
[  333.024503] i40e 0000:01:00.0: VSI seid 388 Tx ring 0 disable timeout
[  791.776071] i40e 0000:01:00.0 enp1s0f0: tx_timeout: VSI_seid: 388, Q 5, NTC: 0x0, HWB: 0x0, NTU: 0x1, TAIL: 0x1, INT: 0x1
[  791.776095] i40e 0000:01:00.0 enp1s0f0: tx_timeout recovery level 1, hung_queue 5
[  791.776523] i40e 0000:01:00.0: VSI seid 388 Tx ring 0 disable timeout
[  802.016059] i40e 0000:01:00.0 enp1s0f0: tx_timeout: VSI_seid: 388, Q 5, NTC: 0x0, HWB: 0x0, NTU: 0x1, TAIL: 0x1, INT: 0x1
[  802.016074] i40e 0000:01:00.0 enp1s0f0: tx_timeout recovery level 2, hung_queue 5
[  802.066087] i40e 0000:01:00.0: VSI seid 388 Tx ring 0 disable timeout
[  830.944085] i40e 0000:01:00.0 enp1s0f0: tx_timeout: VSI_seid: 388, Q 9, NTC: 0x0, HWB: 0x0, NTU: 0x1ec, TAIL: 0x1ec, INT: 0x1
[  830.944107] i40e 0000:01:00.0 enp1s0f0: tx_timeout recovery level 1, hung_queue 9
[  830.945038] i40e 0000:01:00.0: VSI seid 388 Tx ring 8 disable timeout
[ 1954.015182] i40e 0000:01:00.0 enp1s0f0: tx_timeout: VSI_seid: 388, Q 2, NTC: 0x0, HWB: 0x0, NTU: 0x1, TAIL: 0x1, INT: 0x1
[ 1954.015190] i40e 0000:01:00.0 enp1s0f0: tx_timeout recovery level 1, hung_queue 2
[ 1954.015599] i40e 0000:01:00.0: VSI seid 388 Tx ring 0 disable timeout