[  808.515442][T15765] netdevsim netdevsim440 eni440np1: renamed from eth0
[  808.530551][T15764] netdevsim netdevsim603 eni603np1: renamed from eth1
[  809.133113][T15752] Could not find device with ifindex 2000 in netnsfd 11
[  809.133783][T15752] Could not find netns with fd: 2000
[  809.134228][T15752] Cannot link a netdevsim to itself
[  809.135173][T15752] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).