[  522.548618] netdevsim netdevsim314 eni314np1: renamed from eth0
[  522.646485] netdevsim netdevsim649 eni649np1: renamed from eth1
[  522.884797] Could not find device with ifindex 2000 in netnsfd 11
[  522.885057] Could not find netns with fd: 2000
[  522.885168] Cannot link a netdevsim to itself
[  522.885280] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).