[  473.982943] netdevsim netdevsim458 eni458np1: renamed from eth0
[  473.984043] netdevsim netdevsim710 eni710np1: renamed from eth0
[  474.056956] Could not find device with ifindex 2000 in netnsfd 11
[  474.057043] Could not find netns with fd: 2000
[  474.057086] Cannot link a netdevsim to itself
[  474.057135] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).