[  481.319237] netdevsim netdevsim454 eni454np1: renamed from eth0
[  481.420933] netdevsim netdevsim544 eni544np1: renamed from eth1
[  481.783621] Could not find device with ifindex 2000 in netnsfd 11
[  481.783781] Could not find netns with fd: 2000
[  481.783871] Cannot link a netdevsim to itself
[  481.783968] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).