Comment 0 for bug 1945868

Using linux-modules-5.4.0-88-generic within focal.

When using virtio as network driver it is failing with:

net eth0: Fail to set guest offload.
virtio_net virtio1 eth0: set_features() failed (-22); wanted 0x0000008000174a29, left 0x0
00000800017ca29

followed by further kern log entries:
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 netdevice: br0: failed to disable 0x0000000000008000 on eth0!
 WARNING: CPU: 0 PID: 1048 at net/core/dev.c:8683 __netdev_update_features+0x4d1/0x9f0
 Modules linked in: macvlan virtio_gpu ttm drm_kms_helper fb_sys_fops input_leds syscopyarea joydev sysfillrect serio_raw sysimgblt mac_hid sch_fq_codel 9p fscache 9pnet_virtio 9pnet bridge stp llc drm virtio_rng ip_tables x_tables autofs4 dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c psmouse virtio_net i2c_piix4 virtio_blk net_failover failover pata_acpi floppy
 CPU: 0 PID: 1048 Comm: brctl Tainted: G W 5.4.0-88-generic #99-Ubuntu
 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
 RIP: 0010:__netdev_update_features+0x4d1/0x9f0
 Code: c7 c2 9b 30 9b a0 4c 8b 4d 88 48 85 c0 4d 0f 44 d4 4d 89 f0 48 8d 4d b8 4c 89 ca 4c 89 d6 48 c7 c7 d0 94 a3 a0 e8 dc 2d 19 00 <0f> 0b e9 5b fe ff ff 8b 45 9c 85 c0 0f 84 96 00 00 00 8b 45 9c f7
 RSP: 0018:ffffbf1840e0ba98 EFLAGS: 00010282
 RAX: 0000000000000000 RBX: 000000000000000f RCX: 0000000000000006
 RDX: 0000000000000007 RSI: 0000000000000082 RDI: ffff9c2c13a178c0
 RBP: ffffbf1840e0bb10 R08: 00000000000002d1 R09: 0000000000000004
 R10: 0000000000000000 R11: 0000000000000001 R12: ffff9c2c0b258000
 R13: ffff9c2c0b2580c0 R14: ffff9c2c0615a000 R15: 000000000000000f
 FS: 00007f98be558580(0000) GS:ffff9c2c13a00000(0000) knlGS:0000000000000000
 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 CR2: 00007fffc24a1080 CR3: 000000030b3e4000 CR4: 00000000000006f0
 Call Trace:
  netdev_update_features+0x25/0x60
  br_device_event+0x20f/0x300 [bridge]
  notifier_call_chain+0x55/0x80
  raw_notifier_call_chain+0x16/0x20
  call_netdevice_notifiers_info+0x2e/0x60
  netdev_update_features+0x59/0x60
  dev_disable_lro+0x21/0xf0
  br_add_if+0x301/0x650 [bridge]
  add_del_if+0x67/0x80 [bridge]
  br_dev_ioctl+0x54/0x80 [bridge]
  dev_ifsioc+0xe5/0x3e0
  ? _cond_resched+0x19/0x30
  dev_ioctl+0x2dd/0x470
  sock_do_ioctl+0xa8/0x140
  ? evict+0x14c/0x1b0
  sock_ioctl+0x24f/0x3c0
  ? _cond_resched+0x19/0x30
  ? get_max_files+0x20/0x20
  do_vfs_ioctl+0x407/0x670
  ksys_ioctl+0x67/0x90
  __x64_sys_ioctl+0x1a/0x20
  do_syscall_64+0x57/0x190
  entry_SYSCALL_64_after_hwframe+0x44/0xa9
 RIP: 0033:0x7f98be47c50b
 Code: 0f 1e fa 48 8b 05 85 39 0d 00 64 c7 00 26 00 00 00 48 c7 c0 ff ff ff ff c3 66 0f 1f 44 00 00 f3 0f 1e fa b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 55 39 0d 00 f7 d8 64 89 01 48
 RSP: 002b:00007ffd783321e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f98be47c50b
 RDX: 00007ffd78332210 RSI: 00000000000089a2 RDI: 0000000000000003
 RBP: 00007ffd78332210 R08: 0000000000000020 R09: fefefeff77686d74
 R10: 00007ffd78333e80 R11: 0000000000000246 R12: 00007ffd78333e7e
 R13: 00007ffd78333e7e R14: 0000000000000000 R15: 0000000000000000
 ---[ end trace 240d361752e8f3f0 ]---
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