[  525.764269] netdevsim netdevsim415 eni415np1: renamed from eth0
[  525.860622] netdevsim netdevsim617 eni617np1: renamed from eth1
[  526.097400] Could not find device with ifindex 2000 in netnsfd 11
[  526.097584] Could not find netns with fd: 2000
[  526.097679] Cannot link a netdevsim to itself
[  526.097766] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).