[  475.043387] netdevsim netdevsim258 eni258np1: renamed from eth0
[  475.043944] netdevsim netdevsim539 eni539np1: renamed from eth1
[  475.147797] Could not find device with ifindex 2000 in netnsfd 11
[  475.147885] Could not find netns with fd: 2000
[  475.147926] Cannot link a netdevsim to itself
[  475.147982] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).