[  457.143677] netdevsim netdevsim467 eni467np1: renamed from eth0
[  457.145453] netdevsim netdevsim573 eni573np1: renamed from eth1
[  457.233268] Could not find device with ifindex 2000 in netnsfd 11
[  457.233354] Could not find netns with fd: 2000
[  457.233394] Cannot link a netdevsim to itself
[  457.233440] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).