イーサネットデバイスはArch Linuxでは管理されていません

Arch Linuxでイーサネットを使用してインターネットに接続する際に問題があります。 NetworkManagerを使用してDevice not managedイーサネットについて知らせます。

• これは私のコンテンツですNetworkManager.conf

  # Configuration file for NetworkManager.
  # See "man 5 NetworkManager.conf" for details.
  [ifupdown]
  managed=true
  

• サービス状態です

  systemctl status NetworkManager.service
  ● NetworkManager.service - Network Manager
       Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; enabled; vendor preset: disabled)
      Drop-In: /usr/lib/systemd/system/NetworkManager.service.d
               └─NetworkManager-ovs.conf
       Active: active (running) since Thu 2020-07-09 10:40:29 CEST; 8min ago
         Docs: man:NetworkManager(8)
     Main PID: 26730 (NetworkManager)
        Tasks: 3 (limit: 18960)
       Memory: 11.0M
       CGroup: /system.slice/NetworkManager.service
               └─26730 /usr/bin/NetworkManager --no-daemon
  
  Jul 09 10:40:31 Anarchy NetworkManager[26730]: <info>  [1594284031.9395] dhcp4 (wlo1): option subnet_mask          => '255.255.255.0'
  Jul 09 10:40:31 Anarchy NetworkManager[26730]: <info>  [1594284031.9395] dhcp4 (wlo1): state changed unknown -> bound
  Jul 09 10:40:31 Anarchy NetworkManager[26730]: <info>  [1594284031.9407] device (wlo1): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'managed')
  Jul 09 10:40:31 Anarchy NetworkManager[26730]: <info>  [1594284031.9420] device (wlo1): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'managed')
  Jul 09 10:40:31 Anarchy NetworkManager[26730]: <info>  [1594284031.9422] device (wlo1): state change: secondaries -> activated (reason 'none', sys-iface-state: 'managed')
  Jul 09 10:40:31 Anarchy NetworkManager[26730]: <info>  [1594284031.9425] manager: NetworkManager state is now CONNECTED_LOCAL
  Jul 09 10:40:31 Anarchy NetworkManager[26730]: <info>  [1594284031.9444] manager: NetworkManager state is now CONNECTED_SITE
  Jul 09 10:40:31 Anarchy NetworkManager[26730]: <info>  [1594284031.9445] policy: set 'RBIG02' (wlo1) as default for IPv4 routing and DNS
  Jul 09 10:40:31 Anarchy NetworkManager[26730]: <info>  [1594284031.9481] device (wlo1): Activation: successful, device activated.
  Jul 09 10:40:32 Anarchy NetworkManager[26730]: <info>  [1594284032.0036] manager: NetworkManager state is now CONNECTED_GLOBAL
  

• そしてシステムログでこれを見つけました

  # journalctl -b | grep enp
  
  Jul 09 10:12:44 Anarchy systemd-udevd[666]: eth0: Failed to rename network interface 2 from 'eth0' to 'enp60s0': Device or resource busy
  

  # journalctl -b | grep eth
  
  Jul 09 10:12:42 Anarchy kernel: wmi_bus wmi_bus-PNP0C14:05: WQBC data block query control method not found
  Jul 09 10:12:43 Anarchy kernel: r8169 0000:3c:00.0 eth0: RTL8168h/8111h, 8c:04:ba:a0:23:3e, XID 541, IRQ 164
  Jul 09 10:12:43 Anarchy kernel: r8169 0000:3c:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko]
  Jul 09 10:12:43 Anarchy kernel: r8169 0000:3c:00.0 eth0: Link is Down
  Jul 09 10:12:44 Anarchy systemd-udevd[635]: ethtool: autonegotiation is unset or enabled, the speed and duplex are not writable.
  Jul 09 10:12:44 Anarchy systemd-udevd[666]: ethtool: autonegotiation is unset or enabled, the speed and duplex are not writable.
  Jul 09 10:12:44 Anarchy systemd-udevd[666]: eth0: Failed to rename network interface 2 from 'eth0' to 'enp60s0': Device or resource busy
  Jul 09 10:12:44 Anarchy systemd-udevd[666]: eth0: Failed to process device, ignoring: Device or resource busy
  Jul 09 10:12:44 Anarchy systemd-udevd[668]: ethtool: autonegotiation is unset or enabled, the speed and duplex are not writable.
  Jul 09 10:12:46 Anarchy NetworkManager[2918]: <info>  [1594282366.6504] manager: (eth0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/3)
  Jul 09 10:12:47 Anarchy NetworkManager[2918]: <info>  [1594282367.1419] device (eth0): carrier: link connected
  Jul 09 10:12:47 Anarchy kernel: r8169 0000:3c:00.0 eth0: Link is Up - 1Gbps/Full - flow control off
  Jul 09 10:12:47 Anarchy kernel: IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
  Jul 09 10:12:53 Anarchy wpa_supplicant[3915]: wlo1: CTRL-EVENT-EAP-PROPOSED-METHOD vendor=0 method=25
  Jul 09 10:12:53 Anarchy wpa_supplicant[3915]: wlo1: CTRL-EVENT-EAP-METHOD EAP vendor 0 method 25 (PEAP) selected
  Jul 09 10:14:03 Anarchy sudo[5972]:   manuel : TTY=pts/0 ; PWD=/home/manuel ; USER=root ; COMMAND=/usr/bin/ip link set eth0 up
  Jul 09 10:28:11 Anarchy NetworkManager[18286]: <info>  [1594283291.6889] device (eth0): carrier: link connected
  Jul 09 10:28:11 Anarchy NetworkManager[18286]: <info>  [1594283291.6891] manager: (eth0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/3)
  Jul 09 10:33:21 Anarchy sudo[22070]:   manuel : TTY=pts/4 ; PWD=/home/manuel ; USER=root ; COMMAND=/usr/bin/dhcpd eth0
  Jul 09 10:33:22 Anarchy dhcpd[22072]: No subnet declaration for eth0 (no IPv4 addresses).
  Jul 09 10:33:22 Anarchy dhcpd[22072]: ** Ignoring requests on eth0.  If this is not what
  Jul 09 10:33:22 Anarchy dhcpd[22072]:    to which interface eth0 is attached. **
  Jul 09 10:40:29 Anarchy NetworkManager[26730]: <info>  [1594284029.4918] device (eth0): carrier: link connected
  Jul 09 10:40:29 Anarchy NetworkManager[26730]: <info>  [1594284029.4920] manager: (eth0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/3)
  

この/etc/network/interfacesファイルは私のコンピュータには存在しませんが、この問題を解決するには（少なくともUbuntuでは）このファイルが必要であることがわかりました。

私はネットワーキングについてよく知らないので、この問題を解決する方法についてのアドバイスを喜んで提供します。

編集：電源コードを接続せずにラップトップを起動すると、これは起こらないことがわかりました。ところで、これを行うと、外付けグラフィックカード（オプティマス - ノートブック）の電源を入れることができず、イーサネットデバイスとグラフィックカード、電源ケーブル間の接続も見えません。