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Subject3.12: ethernet controller missing after resuming from suspend to RAM

I'm encountering an issue after resuming my system from suspend to RAM:
my ethernet controller is missing, it seems that the kernel doesn't see
it anymore. It's missing from /sys/class/net.

Before suspending, this is what lspci gives.

03:00.2 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8111/8168 PCI Express Gigabit Ethernet controller (rev 0a)
Subsystem: CLEVO/KAPOK Computer Device 0540
Flags: bus master, fast devsel, latency 0, IRQ 46
I/O ports at e000 [size=256]
Memory at f0a04000 (64-bit, prefetchable) [size=4K]
Memory at f0a00000 (64-bit, prefetchable) [size=16K]
Capabilities: [40] Power Management version 3
Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
Capabilities: [70] Express Endpoint, MSI 01
Capabilities: [b0] MSI-X: Enable- Count=4 Masked-
Capabilities: [d0] Vital Product Data
Capabilities: [100] Advanced Error Reporting
Capabilities: [160] Device Serial Number 02-00-00-00-68-4c-e0-00
Kernel driver in use: r8169
Kernel modules: r8169

I can't see anything obvious in dmesg.

Could anybody help me to fix this ?


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