[  519.823667] netdevsim netdevsim676 eni676np1: renamed from eth1
[  519.921815] netdevsim netdevsim418 eni418np1: renamed from eth0
[  520.151388] Could not find device with ifindex 2000 in netnsfd 11
[  520.151551] Could not find netns with fd: 2000
[  520.151633] Cannot link a netdevsim to itself
[  520.151730] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).