[  520.102323] netdevsim netdevsim387 eni387np1: renamed from eth0
[  520.201520] netdevsim netdevsim710 eni710np1: renamed from eth1
[  520.432779] Could not find device with ifindex 2000 in netnsfd 11
[  520.432945] Could not find netns with fd: 2000
[  520.433029] Cannot link a netdevsim to itself
[  520.433128] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).