我在使用 Ubuntu 20.04 LTS Wifi 连接时遇到了问题。这种情况只发生在安装 Ubuntu 20.04 之后。其他 PC 或智能手机没有任何 Wifi 问题。系统是最新的。
问题：启动后，我的 wifi 没有问题。过了一会儿（45-60 分钟），wifi 通知提示连接问题，然后我就看不到 wifi 连接了。暂停甚至重启都无法恢复 wifi 连接。我必须关机，然后 wifi 才能再次工作。
sudo lshw -C 网络-网络中断显示：
*-network UNCLAIMED
description: Network controller
product: Cannon Point-LP CNVi [Wireless-AC]
vendor: Intel Corporation
physical id: 14.3
bus info: pci@0000:00:14.3
version: 30
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix cap_list
configuration: latency=0
resources: memory:b431c000-b431ffff
sudo lshw -C 网络-网络工作显示：
*-network
description: Wireless interface
product: Cannon Point-LP CNVi [Wireless-AC]
vendor: Intel Corporation
physical id: 14.3
bus info: pci@0000:00:14.3
logical name: wlo1
version: 30
serial: d8:f2:ca:c3:fd:bb
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=5.4.0-52-generic firmware=46.6bf1df06.0 ip=192.168.178.79 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:16 memory:b431c000-b431ffff
使用华硕 Zenbook Pro 14 UX480
sudo dmidecode -s bios 版本：
UX450FDX.307
你有什么建议吗？
sudo journalctl -b 0 -u 网络管理器
Okt 29 16:30:19 skywalker NetworkManager[870]: <info> [1603985419.6248] dhcp4 (wlo1):
Okt 29 16:30:19 skywalker NetworkManager[870]: <info> [1603985419.6391] device (wlo1): state change: ip-config -> ip-check (reason 'none', sys-iface-state: 'managed')
Okt 29 16:30:19 skywalker NetworkManager[870]: <info> [1603985419.6478] device (wlo1): state change: ip-check -> secondaries (reason 'none', sys-iface-state: 'managed')
Okt 29 16:30:19 skywalker NetworkManager[870]: <info> [1603985419.6487] device (wlo1): state change: secondaries -> activated (reason 'none', sys-iface-state: 'managed')
Okt 29 16:30:19 skywalker NetworkManager[870]: <info> [1603985419.6503] manager: NetworkManager state is now CONNECTED_LOCAL
Okt 29 16:30:19 skywalker NetworkManager[870]: <info> [1603985419.6558] manager: NetworkManager state is now CONNECTED_SITE
Okt 29 16:30:19 skywalker NetworkManager[870]: <info> [1603985419.6562] policy: set 'Tattoine' (wlo1) as default for IPv4 routing and DNS
Okt 29 16:30:19 skywalker NetworkManager[870]: <info> [1603985419.6578] device (wlo1): Activation: successful, device activated.
Okt 29 16:30:20 skywalker NetworkManager[870]: <info> [1603985420.9975] agent-manager: agent[d0f7d3443eddf950,:1.41/org.gnome.Shell.NetworkAgent/1000]: agent registered
Okt 29 16:30:21 skywalker NetworkManager[870]: <info> [1603985421.3174] dhcp6 (wlo1): activation: beginning transaction (timeout in 45 seconds)
Okt 29 16:30:21 skywalker NetworkManager[870]: <info> [1603985421.3238] dhcp6 (wlo1): option dhcp6_name_servers => 'fd00::5e49:79ff:fe2d:c0b3'
Okt 29 16:30:21 skywalker NetworkManager[870]: <info> [1603985421.3238] dhcp6 (wlo1): state changed unknown -> bound
Okt 29 16:30:23 skywalker NetworkManager[870]: <info> [1603985423.5537] manager: NetworkManager state is now CONNECTED_GLOBAL
Okt 29 17:42:20 skywalker NetworkManager[870]: <warn> [1603989740.1534] sup-iface[0x56005ed2d2e0,wlo1]: connection disconnected (reason -3)
Okt 29 17:42:20 skywalker NetworkManager[870]: <info> [1603989740.1545] device (wlo1): state change: activated -> unmanaged (reason 'removed', sys-iface-state: 'removed')
Okt 29 17:42:20 skywalker NetworkManager[870]: <info> [1603989740.1840] dhcp4 (wlo1): canceled DHCP transaction
Okt 29 17:42:20 skywalker NetworkManager[870]: <info> [1603989740.1840] dhcp4 (wlo1): state changed bound -> done
Okt 29 17:42:20 skywalker NetworkManager[870]: <info> [1603989740.1846] dhcp6 (wlo1): canceled DHCP transaction
Okt 29 17:42:20 skywalker NetworkManager[870]: <info> [1603989740.1846] dhcp6 (wlo1): state changed bound -> done
Okt 29 17:42:20 skywalker NetworkManager[870]: <info> [1603989740.2083] manager: NetworkManager state is now DISCONNECTED
Okt 29 17:42:20 skywalker NetworkManager[870]: <info> [1603989740.2130] device (p2p-dev-wlo1): state change: disconnected -> unmanaged (reason 'removed', sys-iface-state: >
Okt 29 17:42:20 skywalker NetworkManager[870]: <info> [1603989740.2148] radio killswitch /sys/devices/pci0000:00/0000:00:14.3/ieee80211/phy0/rfkill0 disappeared
Okt 29 17:42:20 skywalker NetworkManager[870]: <warn> [1603989740.2153] dns-sd-resolved[36b788391fdebc00]: send-updates failed to update systemd-resolved: GDBus.Error:org.
连接断开（原因-3），你知道原因-3是什么以及如何解决吗？