[  690.143453][T13046] netdevsim netdevsim422 eni422np1: renamed from eth0
[  690.175787][T13049] netdevsim netdevsim724 eni724np1: renamed from eth1
[  690.789605][T13034] Could not find device with ifindex 2000 in netnsfd 11
[  690.790400][T13034] Could not find netns with fd: 2000
[  690.790778][T13034] Cannot link a netdevsim to itself
[  690.791337][T13034] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).