[  488.985138] netdevsim netdevsim351 eni351np1: renamed from eth0
[  488.985657] netdevsim netdevsim537 eni537np1: renamed from eth1
[  489.066078] Could not find device with ifindex 2000 in netnsfd 11
[  489.066179] Could not find netns with fd: 2000
[  489.066225] Cannot link a netdevsim to itself
[  489.066278] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).