[   64.826724] ------------[ cut here ]------------
[   64.831421] WARNING: CPU: 0 PID: 0 at net/sched/sch_generic.c:303 dev_watchdog+0x27c/0x280
[   64.839708] NETDEV WATCHDOG: eth0 (sun8i-emac): transmit queue 0 timed out
[   64.846593] Modules linked in:
[   64.849692] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.6.0-rc1-226524-gb356726-dirty #6
[   64.857780] Hardware name: Allwinner sun8i Family
[   64.862529] [<c010e1cc>] (unwind_backtrace) from [<c010b074>] (show_stack+0x10/0x14)
[   64.870294] [<c010b074>] (show_stack) from [<c03132a0>] (dump_stack+0x94/0xa8)
[   64.877539] [<c03132a0>] (dump_stack) from [<c011ada8>] (__warn+0xe8/0x100)
[   64.884519] [<c011ada8>] (__warn) from [<c011adf8>] (warn_slowpath_fmt+0x38/0x48)
[   64.892016] [<c011adf8>] (warn_slowpath_fmt) from [<c04eacdc>] (dev_watchdog+0x27c/0x280)
[   64.900213] [<c04eacdc>] (dev_watchdog) from [<c016bc50>] (call_timer_fn+0x24/0x98)
[   64.907887] [<c016bc50>] (call_timer_fn) from [<c016be60>] (run_timer_softirq+0x19c/0x214)
[   64.916165] [<c016be60>] (run_timer_softirq) from [<c011f2a8>] (__do_softirq+0xfc/0x214)
[   64.924267] [<c011f2a8>] (__do_softirq) from [<c011f65c>] (irq_exit+0xb0/0x118)
[   64.931591] [<c011f65c>] (irq_exit) from [<c015d520>] (__handle_domain_irq+0x60/0xb4)
[   64.939435] [<c015d520>] (__handle_domain_irq) from [<c010145c>] (gic_handle_irq+0x48/0x88)
[   64.947795] [<c010145c>] (gic_handle_irq) from [<c010bb54>] (__irq_svc+0x54/0x70)
[   64.955277] Exception stack(0xc0901f60 to 0xc0901fa8)
[   64.960343] 1f60: 00000000 dffb9370 00005fc2 c0116d80 c0900000 c09024fc c090249c c093e5d7
[   64.968529] 1f80: c093e5d7 c0834a28 dfffce80 00000000 1f774000 c0901fb0 c010812c c0108130
[   64.976704] 1fa0: 60070013 ffffffff
[   64.980212] [<c010bb54>] (__irq_svc) from [<c0108130>] (arch_cpu_idle+0x38/0x3c)
[   64.987626] [<c0108130>] (arch_cpu_idle) from [<c0151804>] (cpu_startup_entry+0x114/0x164)
[   64.995910] [<c0151804>] (cpu_startup_entry) from [<c0800c4c>] (start_kernel+0x370/0x37c)
[   65.004098] ---[ end trace f1f1371829e125b8 ]---
[   65.008739] sun8i-emac 1c30000.ethernet: sun8i_emac_tx_timeout
[   74.827114] sun8i-emac 1c30000.ethernet: sun8i_emac_tx_timeout
[   84.827503] sun8i-emac 1c30000.ethernet: sun8i_emac_tx_timeout
[   94.827887] sun8i-emac 1c30000.ethernet: sun8i_emac_tx_timeout
[  104.828255] sun8i-emac 1c30000.ethernet: sun8i_emac_tx_timeout
[  114.828636] sun8i-emac 1c30000.ethernet: sun8i_emac_tx_timeout
[  124.829025] sun8i-emac 1c30000.ethernet: sun8i_emac_tx_timeout