[  482.442723] netdevsim netdevsim462 eni462np1: renamed from eth0
[  482.544227] netdevsim netdevsim540 eni540np1: renamed from eth1
[  482.898301] Could not find device with ifindex 2000 in netnsfd 11
[  482.898430] Could not find netns with fd: 2000
[  482.898494] Cannot link a netdevsim to itself
[  482.898575] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).