[  482.295149] netdevsim netdevsim665 eni665np1: renamed from eth1
[  482.395216] netdevsim netdevsim380 eni380np1: renamed from eth0
[  482.727768] Could not find device with ifindex 2000 in netnsfd 11
[  482.727926] Could not find netns with fd: 2000
[  482.728009] Cannot link a netdevsim to itself
[  482.728136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).