[  488.812016] netdevsim netdevsim276 eni276np1: renamed from eth0
[  488.913214] netdevsim netdevsim563 eni563np1: renamed from eth1
[  489.288579] Could not find device with ifindex 2000 in netnsfd 11
[  489.288746] Could not find netns with fd: 2000
[  489.288854] Cannot link a netdevsim to itself
[  489.288974] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).