[  487.874263] netdevsim netdevsim330 eni330np1: renamed from eth0
[  487.970776] netdevsim netdevsim691 eni691np1: renamed from eth1
[  488.204748] Could not find device with ifindex 2000 in netnsfd 11
[  488.205192] Could not find netns with fd: 2000
[  488.205336] Cannot link a netdevsim to itself
[  488.205482] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).