[  518.643711] netdevsim netdevsim403 eni403np1: renamed from eth0
[  518.741358] netdevsim netdevsim675 eni675np1: renamed from eth1
[  518.971248] Could not find device with ifindex 2000 in netnsfd 11
[  518.971442] Could not find netns with fd: 2000
[  518.971548] Cannot link a netdevsim to itself
[  518.971674] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).