[  488.192213] netdevsim netdevsim767 eni767np1: renamed from eth1
[  488.289246] netdevsim netdevsim314 eni314np1: renamed from eth0
[  488.498132] Could not find device with ifindex 2000 in netnsfd 11
[  488.498396] Could not find netns with fd: 2000
[  488.498476] Cannot link a netdevsim to itself
[  488.498563] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).