[  474.902263] netdevsim netdevsim438 eni438np1: renamed from eth0
[  474.902663] netdevsim netdevsim624 eni624np1: renamed from eth1
[  474.982963] Could not find device with ifindex 2000 in netnsfd 11
[  474.983050] Could not find netns with fd: 2000
[  474.983095] Cannot link a netdevsim to itself
[  474.983144] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).