[  487.178227] netdevsim netdevsim315 eni315np1: renamed from eth0
[  487.275388] netdevsim netdevsim625 eni625np1: renamed from eth1
[  487.479513] Could not find device with ifindex 2000 in netnsfd 11
[  487.479839] Could not find netns with fd: 2000
[  487.479936] Cannot link a netdevsim to itself
[  487.480037] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).