[  512.103376] netdevsim netdevsim467 eni467np1: renamed from eth0
[  512.200518] netdevsim netdevsim692 eni692np1: renamed from eth1
[  512.437685] Could not find device with ifindex 2000 in netnsfd 11
[  512.437914] Could not find netns with fd: 2000
[  512.438001] Cannot link a netdevsim to itself
[  512.438106] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).