[  474.850393] netdevsim netdevsim468 eni468np1: renamed from eth0
[  474.950872] netdevsim netdevsim741 eni741np1: renamed from eth1
[  475.217721] Could not find device with ifindex 2000 in netnsfd 11
[  475.217858] Could not find netns with fd: 2000
[  475.217937] Cannot link a netdevsim to itself
[  475.218030] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).