[  819.228482][T15649] netdevsim netdevsim438 eni438np1: renamed from eth0
[  819.236272][T15648] netdevsim netdevsim641 eni641np1: renamed from eth1
[  819.916541][T15636] Could not find device with ifindex 2000 in netnsfd 11
[  819.917660][T15636] Could not find netns with fd: 2000
[  819.918307][T15636] Cannot link a netdevsim to itself
[  819.918854][T15636] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).