[  538.815713] netdevsim netdevsim354 eni354np1: renamed from eth0
[  538.916680] netdevsim netdevsim599 eni599np1: renamed from eth1
[  539.241983] Could not find device with ifindex 2000 in netnsfd 11
[  539.242103] Could not find netns with fd: 2000
[  539.242169] Cannot link a netdevsim to itself
[  539.242247] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).