[  484.397500] netdevsim netdevsim402 eni402np1: renamed from eth0
[  484.499272] netdevsim netdevsim517 eni517np1: renamed from eth1
[  484.861303] Could not find device with ifindex 2000 in netnsfd 11
[  484.861450] Could not find netns with fd: 2000
[  484.861535] Cannot link a netdevsim to itself
[  484.861642] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).