[  481.654512] netdevsim netdevsim470 eni470np1: renamed from eth0
[  481.754332] netdevsim netdevsim663 eni663np1: renamed from eth1
[  482.057291] Could not find device with ifindex 2000 in netnsfd 11
[  482.057421] Could not find netns with fd: 2000
[  482.057485] Cannot link a netdevsim to itself
[  482.057564] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).