[  541.432138] netdevsim netdevsim271 eni271np1: renamed from eth0
[  541.533270] netdevsim netdevsim585 eni585np1: renamed from eth1
[  541.906961] Could not find device with ifindex 2000 in netnsfd 11
[  541.907143] Could not find netns with fd: 2000
[  541.907248] Cannot link a netdevsim to itself
[  541.907357] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).