[  483.286877] netdevsim netdevsim462 eni462np1: renamed from eth0
[  483.287510] netdevsim netdevsim735 eni735np1: renamed from eth1
[  483.369576] Could not find device with ifindex 2000 in netnsfd 11
[  483.369659] Could not find netns with fd: 2000
[  483.369701] Cannot link a netdevsim to itself
[  483.369750] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).