[  487.113108] netdevsim netdevsim651 eni651np1: renamed from eth1
[  487.209636] netdevsim netdevsim464 eni464np1: renamed from eth0
[  487.411489] Could not find device with ifindex 2000 in netnsfd 11
[  487.411753] Could not find netns with fd: 2000
[  487.411849] Cannot link a netdevsim to itself
[  487.411996] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).