[  479.573703] netdevsim netdevsim407 eni407np1: renamed from eth0
[  479.675782] netdevsim netdevsim583 eni583np1: renamed from eth1
[  480.046260] Could not find device with ifindex 2000 in netnsfd 11
[  480.046459] Could not find netns with fd: 2000
[  480.046546] Cannot link a netdevsim to itself
[  480.046640] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).