[  475.324118] netdevsim netdevsim460 eni460np1: renamed from eth0
[  475.324443] netdevsim netdevsim688 eni688np1: renamed from eth1
[  475.420981] Could not find device with ifindex 2000 in netnsfd 11
[  475.421078] Could not find netns with fd: 2000
[  475.421122] Cannot link a netdevsim to itself
[  475.421171] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).