[  475.374802] netdevsim netdevsim436 eni436np1: renamed from eth0
[  475.376238] netdevsim netdevsim741 eni741np1: renamed from eth0
[  475.473662] Could not find device with ifindex 2000 in netnsfd 11
[  475.473783] Could not find netns with fd: 2000
[  475.473829] Cannot link a netdevsim to itself
[  475.473882] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).