[  482.872708] netdevsim netdevsim318 eni318np1: renamed from eth0
[  482.974573] netdevsim netdevsim750 eni750np1: renamed from eth1
[  483.334458] Could not find device with ifindex 2000 in netnsfd 11
[  483.334659] Could not find netns with fd: 2000
[  483.334764] Cannot link a netdevsim to itself
[  483.334893] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).