[  487.138100] netdevsim netdevsim392 eni392np1: renamed from eth0
[  487.234134] netdevsim netdevsim614 eni614np1: renamed from eth1
[  487.434531] Could not find device with ifindex 2000 in netnsfd 11
[  487.434755] Could not find netns with fd: 2000
[  487.434835] Cannot link a netdevsim to itself
[  487.434923] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).