Есть сервер который принимает интернет и раздает его в локальную сеть, с настройками все отлично. Linux Ubuntu Server 16.04.2. Dmesg вот что выдает:
[ 2871.756035] ------------[ cut here ]------------
[ 2871.756061] WARNING: CPU: 6 PID: 0 at /build/linux-9yOF0g/linux-4.4.0/net/sched/sch_generic.c:306 dev_watchdog
+0x237/0x240()
[ 2871.756079] NETDEV WATCHDOG: enp4s0f1 (e1000e): transmit queue 0 timed out
[ 2871.756086] Modules linked in: ipt_REJECT nf_reject_ipv4 xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4
iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 iptable_filter ip_tables x_tables ipmi_ssif coretemp
kvm_intel kvm irqbypass serio_raw lpc_ich 8250_fintek shpchp i5000_edac edac_core mac_hid i5k_amb ipmi_si
ipmi_msghandler nf_nat_pptp nf_nat_proto_gre nf_conntrack_pptp nf_conntrack_proto_gre nf_nat nf_conntrack ib_iser
rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs
raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0
multipath linear amdkfd amd_iommu_v2 radeon i2c_algo_bit ttm drm_kms_helper syscopyarea sysfillrect sysimgblt
fb_sys_fops ahci e1000e ptp psmouse
[ 2871.756148] drm libahci pata_acpi pps_core fjes
[ 2871.756155] CPU: 6 PID: 0 Comm: swapper/6 Not tainted 4.4.0-66-generic #87-Ubuntu
[ 2871.756157] Hardware name: Intel S5000PSL/S5000PSL, BIOS S5000.86B.15.00.0101.110920101604 11/09/2010
[ 2871.756159] 0000000000000286 1c9657f6f918213b ffff88025fd83d98 ffffffff813f8083
[ 2871.756162] ffff88025fd83de0 ffffffff81d6fd00 ffff88025fd83dd0 ffffffff810812d2
[ 2871.756165] 0000000000000000 ffff88003550dc80 0000000000000006 ffff880035074000
[ 2871.756167] Call Trace:
[ 2871.756170] <IRQ> [<ffffffff813f8083>] dump_stack+0x63/0x90
[ 2871.756179] [<ffffffff810812d2>] warn_slowpath_common+0x82/0xc0
[ 2871.756182] [<ffffffff8108136c>] warn_slowpath_fmt+0x5c/0x80
[ 2871.756185] [<ffffffff81757967>] dev_watchdog+0x237/0x240
[ 2871.756188] [<ffffffff81757730>] ? qdisc_rcu_free+0x40/0x40
[ 2871.756192] [<ffffffff810ecd55>] call_timer_fn+0x35/0x120
[ 2871.756194] [<ffffffff81757730>] ? qdisc_rcu_free+0x40/0x40
[ 2871.756197] [<ffffffff810ed70a>] run_timer_softirq+0x23a/0x2f0
[ 2871.756200] [<ffffffff81085db1>] __do_softirq+0x101/0x290
[ 2871.756202] [<ffffffff810860b3>] irq_exit+0xa3/0xb0
[ 2871.756206] [<ffffffff8183f0a2>] smp_apic_timer_interrupt+0x42/0x50
[ 2871.756210] [<ffffffff8183d362>] apic_timer_interrupt+0x82/0x90
[ 2871.756211] <EOI> [<ffffffff816cf8de>] ? cpuidle_enter_state+0x10e/0x2b0
[ 2871.756217] [<ffffffff816cfab7>] cpuidle_enter+0x17/0x20
[ 2871.756221] [<ffffffff810c4522>] call_cpuidle+0x32/0x60
[ 2871.756223] [<ffffffff816cfa93>] ? cpuidle_select+0x13/0x20
[ 2871.756225] [<ffffffff810c47e0>] cpu_startup_entry+0x290/0x350
[ 2871.756228] [<ffffffff810517c4>] start_secondary+0x154/0x190
[ 2871.756231] ---[ end trace 6fbe9fec0792e945 ]---
[ 2871.758481] e1000e 0000:04:00.1 enp4s0f1: Reset adapter unexpectedly
[ 2875.539366] e1000e: enp4s0f1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
[ 3672.071450] perf interrupt took too long (2540 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
[ 9647.160290] nf_conntrack: automatic helper assignment is deprecated and it will be removed soon. Use the
iptables CT target to attach helpers instead.
[ 9854.844813] perf interrupt took too long (5005 > 5000), lowering kernel.perf_event_max_sample_rate to 25000
