[  484.433006] netdevsim netdevsim473 eni473np1: renamed from eth0
[  484.433528] netdevsim netdevsim697 eni697np1: renamed from eth1
[  484.520247] Could not find device with ifindex 2000 in netnsfd 11
[  484.520335] Could not find netns with fd: 2000
[  484.520386] Cannot link a netdevsim to itself
[  484.520437] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).