[  521.803883] netdevsim netdevsim498 eni498np1: renamed from eth0
[  521.901335] netdevsim netdevsim692 eni692np1: renamed from eth1
[  522.146487] Could not find device with ifindex 2000 in netnsfd 11
[  522.146720] Could not find netns with fd: 2000
[  522.146851] Cannot link a netdevsim to itself
[  522.147007] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).