[  831.389692][T14802] netdevsim netdevsim689 eni689np1: renamed from eth1
[  831.399634][T14801] netdevsim netdevsim372 eni372np1: renamed from eth0
[  832.049649][T14788] Could not find device with ifindex 2000 in netnsfd 11
[  832.050184][T14788] Could not find netns with fd: 2000
[  832.050547][T14788] Cannot link a netdevsim to itself
[  832.050955][T14788] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).