[  481.956485] netdevsim netdevsim393 eni393np1: renamed from eth0
[  482.052618] netdevsim netdevsim591 eni591np1: renamed from eth1
[  482.275932] Could not find device with ifindex 2000 in netnsfd 11
[  482.276132] Could not find netns with fd: 2000
[  482.276213] Cannot link a netdevsim to itself
[  482.276300] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).