[  458.008033] netdevsim netdevsim478 eni478np1: renamed from eth0
[  458.008749] netdevsim netdevsim523 eni523np1: renamed from eth1
[  458.101715] Could not find device with ifindex 2000 in netnsfd 11
[  458.101870] Could not find netns with fd: 2000
[  458.101987] Cannot link a netdevsim to itself
[  458.102101] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).