Qualcomm Atheros QCA9377: ethernet connection drops

Hello to everybody. I have some problems with the ethernet connection, while the wifi is fine. The computer is a Lenovo ideapad S540 IML. When I connect with the ethernet cable I do not switch off the wifi and I see that the connection keep switching between wifi and ethernet. I think that the problem is that the ethernet connection keep dropping. Here is my inxi -Fxxxz:

System: Host: paola-81nf Kernel: 5.6.19-2-MANJARO x86_64 bits: 64 compiler: gcc
v: 10.1.0 Desktop: KDE Plasma 5.19.3 tk: Qt 5.15.0 wm: kwin_x11 dm: SDDM
Distro: Manjaro Linux
Machine: Type: Laptop System: LENOVO product: 81NF v: Lenovo IdeaPad S540-14IML
serial: Chassis: type: 10 v: Lenovo IdeaPad S540-14IML
serial:
Mobo: LENOVO model: LNVNB161216 v: SDK0J40709 WIN serial: UEFI: LENOVO
v: CKCN11WW(V1.01) date: 07/19/2019
Battery: ID-1: BAT1 charge: 39.4 Wh condition: 43.0/45.0 Wh (96%) volts: 17.4/15.4
model: 0x53 0x4D 0x50 0x00 0x32 0x30 0x PABAS0241231 type: Li-ion
serial: status: Charging cycles: 225
CPU: Topology: Quad Core model: Intel Core i7-10510U bits: 64 type: MT MCP
arch: Kaby Lake rev: C L2 cache: 8192 KiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 36812
Speed: 1993 MHz min/max: 400/4900 MHz Core speeds (MHz): 1: 1993 2: 3372
3: 2955 4: 3008 5: 3197 6: 3115 7: 2713 8: 3073
Graphics: Device-1: Intel UHD Graphics vendor: Lenovo driver: i915 v: kernel
bus ID: 00:02.0 chip ID: 8086:9b41
Display: x11 server: X.Org 1.20.8 driver: intel unloaded: modesetting
alternate: fbdev,vesa compositor: kwin_x11 resolution: 1920x1080~60Hz
OpenGL: renderer: Mesa Intel UHD Graphics (CML GT2) v: 4.6 Mesa 20.1.3
direct render: Yes
Audio: Device-1: Intel vendor: Lenovo driver: snd_hda_intel v: kernel bus ID: 00:1f.3
chip ID: 8086:02c8
Sound Server: ALSA v: k5.6.19-2-MANJARO
Network: Device-1: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter
vendor: Lenovo driver: ath10k_pci v: kernel port: 3040 bus ID: 02:00.0
chip ID: 168c:0042
IF: wlp2s0 state: up mac:
Device-2: Qualcomm Atheros type: USB driver: btusb bus ID: 1-10:5
chip ID: 0cf3:e500
Device-3: Realtek RTL8153 Gigabit Ethernet Adapter type: USB driver: r8152
bus ID: 2-3.2:16 chip ID: 0bda:8153 serial:
IF: enp0s20f0u3u2 state: up speed: 1000 Mbps duplex: full mac:
Drives: Local Storage: total: 476.94 GiB used: 126.60 GiB (26.5%)
ID-1: /dev/nvme0n1 model: UMIS RPITJ512PED2OWX size: 476.94 GiB
speed: 31.6 Gb/s lanes: 4 serial: rev: ECFR12.3 scheme: GPT
Partition: ID-1: / size: 459.50 GiB used: 126.60 GiB (27.6%) fs: ext4 dev: /dev/nvme0n1p2
ID-2: swap-1 size: 8.80 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/nvme0n1p3
Sensors: System Temperatures: cpu: 53.0 C mobo: N/A
Fan Speeds (RPM): N/A
Info: Processes: 238 Uptime: 13m Memory: 7.49 GiB used: 1.81 GiB (24.2%)
Init: systemd v: 245 Compilers: gcc: 10.1.0 Shell: bash v: 5.0.18
running in: konsole inxi: 3.0.37

Also, under Hardware configuratin I have only Display controller--> UHD Graphics and nothing more. Is that normal?

Thanks to anyone who can help

Paola

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