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lshw -C network
*-network                                                                                                                                                  
       description: Interface réseau sans fil                                                                                                                
       produit: AR928X Wireless Network Adapter (PCI-Express)                                                                                                
       fabriquant: Qualcomm Atheros                                                                                                                          
       identifiant matériel: 0                                                                                                                               
       information bus: pci@0000:03:00.0                                                                                                                     
       nom logique: wlp3s0                                                                                                                                   
       version: 01                                                                                                                                           
       numéro de série: 00:17:c4:3a:da:e6                                                                                                                    
       bits: 64 bits                                                                                                                                         
       horloge: 33MHz                                                                                                                                        
       fonctionnalités: pm msi pciexpress msix bus_master cap_list ethernet physical wireless                                                                
       configuration: broadcast=yes driver=ath9k driverversion=4.9.40-desktop-1.mga6 firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11       
       ressources: irq:17 mémoire:f4600000-f460ffff 
 
# systemctl restart network.service
Job for network.service failed because the control process exited with error code.
See "systemctl status network.service" and "journalctl -xe" for details.
# systemctl status network.service
● network.service - LSB: Bring up/down networking
   Loaded: loaded (/etc/rc.d/init.d/network; generated; vendor preset: enabled)
   Active: failed (Result: exit-code) since mar. 2017-08-15 13:43:17 CEST; 29s ago
     Docs: man:systemd-sysv-generator(8)
  Process: 6022 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=1/FAILURE)
   CGroup: /system.slice/network.service
           └─1330 /sbin/ifplugd -I -b -i enp2s0
août 15 13:43:17 localhost.localdomain network[6022]: RTNETLINK answers: File exists
août 15 13:43:17 localhost.localdomain network[6022]: RTNETLINK answers: File exists
août 15 13:43:17 localhost.localdomain network[6022]: RTNETLINK answers: File exists
août 15 13:43:17 localhost.localdomain systemd-sysctl[6296]: Couldn't write '0' to 'net/bridge/bridge-nf-call-ip6tables', ignoring: No such file or directory
août 15 13:43:17 localhost.localdomain systemd-sysctl[6296]: Couldn't write '0' to 'net/bridge/bridge-nf-call-iptables', ignoring: No such file or directory
août 15 13:43:17 localhost.localdomain systemd-sysctl[6296]: Couldn't write '0' to 'net/bridge/bridge-nf-call-arptables', ignoring: No such file or directory
août 15 13:43:17 localhost.localdomain systemd[1]: network.service: Control process exited, code=exited status=1
août 15 13:43:17 localhost.localdomain systemd[1]: Failed to start LSB: Bring up/down networking.
août 15 13:43:17 localhost.localdomain systemd[1]: network.service: Unit entered failed state.
août 15 13:43:17 localhost.localdomain systemd[1]: network.service: Failed with result 'exit-code'.
rfkill list
0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
1: acer-wireless: Wireless LAN
        Soft blocked: no
        Hard blocked: no