Public bug reported:

Ifconfig never shows the interface and dmesg shows

[    4.430367] 8812au: module verification failed: signature and/or required 
key missing - tainting kernel
[    4.473039] RTL871X: rtl8812au v4.3.8_12175.20140902
[    4.473217] Modules linked in: iwldvm(+) cec(+) wmi_bmof serio_raw 
8812au(OE+) sparse_keymap dell_wmi_descriptor snd_seq_device mac80211 mc 
bluetooth rc_core snd_timer libarc4 i2c_algo_bit fb_sys_fops snd iwlwifi 
ecdh_generic syscopyarea ecc acpi_als mei_me sysfillrect cfg80211 sysimgblt 
soundcore industrialio_triggered_buffer kfifo_buf mei industrialio 
intel_smartconnect joydev mac_hid sch_fq_codel ipmi_devintf ipmi_msghandler msr 
parport_pc ppdev lp parport drm ip_tables x_tables autofs4 hid_generic usbhid 
hid crc32_pclmul psmouse i2c_i801 i2c_smbus ahci xhci_pci libahci lpc_ich 
xhci_pci_renesas wmi video
[    4.473411]  ? _rtw_malloc+0x2d/0x2f [8812au]
[    4.473497]  ? _rtw_memcpy+0x10/0x12 [8812au]
[    4.473569]  ? rtw_5g_rates_init+0x1a/0x1c [8812au]
[    4.473648]  ? rtw_spt_band_alloc+0xb0/0xb2 [8812au]
[    4.473724]  rtw_wdev_alloc+0xfc/0x2a2 [8812au]
[    4.473799]  rtw_usb_if1_init+0x10b/0x229 [8812au]
[    4.473874]  rtw_drv_init+0x36f/0x418 [8812au]
[    4.474006]  rtw_drv_entry+0x65/0x1000 [8812au]
[    4.690253] usbcore: registered new interface driver rtl8812au

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: rtl8812au-dkms 4.3.8.12175.20140902+dfsg-0ubuntu15
ProcVersionSignature: Ubuntu 5.15.0-25.25-generic 5.15.30
Uname: Linux 5.15.0-25-generic x86_64
ApportVersion: 2.20.11-0ubuntu82
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Sun Apr 24 21:44:24 2022
InstallationDate: Installed on 2020-03-17 (768 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: rtl8812au
UpgradeStatus: Upgraded to jammy on 2022-04-23 (1 days ago)

** Affects: rtl8812au (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug jammy

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https://bugs.launchpad.net/bugs/1970145

Title:
  rtl8812 driver fails on 22.04

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