[  710.445060][T13064] netdevsim netdevsim511 eni511np1: renamed from eth0
[  710.463552][T13066] netdevsim netdevsim744 eni744np1: renamed from eth1
[  711.082954][T13052] Could not find device with ifindex 2000 in netnsfd 11
[  711.083797][T13052] Could not find netns with fd: 2000
[  711.084188][T13052] Cannot link a netdevsim to itself
[  711.084646][T13052] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).