[  488.895458] netdevsim netdevsim429 eni429np1: renamed from eth0
[  488.992401] netdevsim netdevsim612 eni612np1: renamed from eth1
[  489.215876] Could not find device with ifindex 2000 in netnsfd 11
[  489.216149] Could not find netns with fd: 2000
[  489.216238] Cannot link a netdevsim to itself
[  489.216348] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).