[  478.629771] netdevsim netdevsim271 eni271np1: renamed from eth0
[  478.630168] netdevsim netdevsim716 eni716np1: renamed from eth1
[  478.724978] Could not find device with ifindex 2000 in netnsfd 11
[  478.725087] Could not find netns with fd: 2000
[  478.725138] Cannot link a netdevsim to itself
[  478.725193] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).