[  459.110640] netdevsim netdevsim306 eni306np1: renamed from eth0
[  459.111061] netdevsim netdevsim743 eni743np1: renamed from eth1
[  459.199201] Could not find device with ifindex 2000 in netnsfd 11
[  459.199304] Could not find netns with fd: 2000
[  459.199362] Cannot link a netdevsim to itself
[  459.199450] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).