[  483.005965] netdevsim netdevsim511 eni511np1: renamed from eth0
[  483.007400] netdevsim netdevsim524 eni524np1: renamed from eth1
[  483.356617] Could not find device with ifindex 2000 in netnsfd 11
[  483.356765] Could not find netns with fd: 2000
[  483.356843] Cannot link a netdevsim to itself
[  483.356936] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).