[  492.548319] netdevsim netdevsim575 eni575np1: renamed from eth1
[  492.644513] netdevsim netdevsim453 eni453np1: renamed from eth0
[  492.897691] Could not find device with ifindex 2000 in netnsfd 11
[  492.898061] Could not find netns with fd: 2000
[  492.898157] Cannot link a netdevsim to itself
[  492.898279] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).