[  877.696616][T14642] netdevsim netdevsim453 eni453np1: renamed from eth0
[  877.727224][T14644] netdevsim netdevsim669 eni669np1: renamed from eth1
[  878.417076][T14630] Could not find device with ifindex 2000 in netnsfd 11
[  878.417981][T14630] Could not find netns with fd: 2000
[  878.418444][T14630] Cannot link a netdevsim to itself
[  878.418993][T14630] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).