[  474.233051] netdevsim netdevsim283 eni283np1: renamed from eth0
[  474.233904] netdevsim netdevsim533 eni533np1: renamed from eth0
[  474.309638] Could not find device with ifindex 2000 in netnsfd 11
[  474.309723] Could not find netns with fd: 2000
[  474.309764] Cannot link a netdevsim to itself
[  474.309822] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).