[  490.168936] netdevsim netdevsim443 eni443np1: renamed from eth0
[  490.264989] netdevsim netdevsim751 eni751np1: renamed from eth1
[  490.503886] Could not find device with ifindex 2000 in netnsfd 11
[  490.504152] Could not find netns with fd: 2000
[  490.504227] Cannot link a netdevsim to itself
[  490.504312] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).