[  475.509597] netdevsim netdevsim419 eni419np1: renamed from eth0
[  475.510876] netdevsim netdevsim695 eni695np1: renamed from eth0
[  475.602120] Could not find device with ifindex 2000 in netnsfd 11
[  475.602208] Could not find netns with fd: 2000
[  475.602251] Cannot link a netdevsim to itself
[  475.602305] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).