[  471.853295] netdevsim netdevsim402 eni402np1: renamed from eth0
[  471.854086] netdevsim netdevsim517 eni517np1: renamed from eth0
[  471.924247] Could not find device with ifindex 2000 in netnsfd 11
[  471.924334] Could not find netns with fd: 2000
[  471.924375] Cannot link a netdevsim to itself
[  471.924426] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).