[  508.463233] netdevsim netdevsim419 eni419np1: renamed from eth0
[  508.560852] netdevsim netdevsim766 eni766np1: renamed from eth1
[  508.763261] Could not find device with ifindex 2000 in netnsfd 11
[  508.763407] Could not find netns with fd: 2000
[  508.763477] Cannot link a netdevsim to itself
[  508.763574] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).