[  487.357826] netdevsim netdevsim482 eni482np1: renamed from eth0
[  487.459228] netdevsim netdevsim619 eni619np1: renamed from eth1
[  487.869142] Could not find device with ifindex 2000 in netnsfd 11
[  487.869297] Could not find netns with fd: 2000
[  487.869384] Cannot link a netdevsim to itself
[  487.869502] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).