[  861.085396][T14610] netdevsim netdevsim347 eni347np1: renamed from eth0
[  861.108818][T14612] netdevsim netdevsim639 eni639np1: renamed from eth1
[  861.860576][T14598] Could not find device with ifindex 2000 in netnsfd 11
[  861.861884][T14598] Could not find netns with fd: 2000
[  861.862861][T14598] Cannot link a netdevsim to itself
[  861.863596][T14598] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).