[  484.500696] netdevsim netdevsim314 eni314np1: renamed from eth0
[  484.601570] netdevsim netdevsim637 eni637np1: renamed from eth1
[  484.916721] Could not find device with ifindex 2000 in netnsfd 11
[  484.916883] Could not find netns with fd: 2000
[  484.916969] Cannot link a netdevsim to itself
[  484.917085] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).