[  848.563217][T15868] netdevsim netdevsim396 eni396np1: renamed from eth0
[  848.619312][T15869] netdevsim netdevsim699 eni699np1: renamed from eth1
[  849.284461][T15855] Could not find device with ifindex 2000 in netnsfd 11
[  849.285439][T15855] Could not find netns with fd: 2000
[  849.286202][T15855] Cannot link a netdevsim to itself
[  849.287090][T15855] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).