[  458.519264] netdevsim netdevsim554 eni554np1: renamed from eth1
[  458.522919] netdevsim netdevsim461 eni461np1: renamed from eth0
[  458.621931] Could not find device with ifindex 2000 in netnsfd 11
[  458.622095] Could not find netns with fd: 2000
[  458.622198] Cannot link a netdevsim to itself
[  458.622314] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).