[  489.825148] netdevsim netdevsim271 eni271np1: renamed from eth0
[  489.923123] netdevsim netdevsim658 eni658np1: renamed from eth1
[  490.136998] Could not find device with ifindex 2000 in netnsfd 11
[  490.137227] Could not find netns with fd: 2000
[  490.137348] Cannot link a netdevsim to itself
[  490.137506] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).