[  474.153915] netdevsim netdevsim418 eni418np1: renamed from eth0
[  474.154507] netdevsim netdevsim663 eni663np1: renamed from eth1
[  474.239413] Could not find device with ifindex 2000 in netnsfd 11
[  474.239509] Could not find netns with fd: 2000
[  474.239556] Cannot link a netdevsim to itself
[  474.239619] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).