[  519.378564] netdevsim netdevsim743 eni743np1: renamed from eth1
[  519.476873] netdevsim netdevsim419 eni419np1: renamed from eth0
[  519.701138] Could not find device with ifindex 2000 in netnsfd 11
[  519.701337] Could not find netns with fd: 2000
[  519.701418] Cannot link a netdevsim to itself
[  519.701517] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).