[  508.942247] netdevsim netdevsim275 eni275np1: renamed from eth0
[  509.039564] netdevsim netdevsim710 eni710np1: renamed from eth1
[  509.278311] Could not find device with ifindex 2000 in netnsfd 11
[  509.278506] Could not find netns with fd: 2000
[  509.278593] Cannot link a netdevsim to itself
[  509.278694] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).