[  473.741089] netdevsim netdevsim458 eni458np1: renamed from eth0
[  473.741877] netdevsim netdevsim586 eni586np1: renamed from eth0
[  473.827161] Could not find device with ifindex 2000 in netnsfd 11
[  473.827246] Could not find netns with fd: 2000
[  473.827292] Cannot link a netdevsim to itself
[  473.827344] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).