[  486.368169] netdevsim netdevsim387 eni387np1: renamed from eth0
[  486.369225] netdevsim netdevsim610 eni610np1: renamed from eth1
[  486.464882] Could not find device with ifindex 2000 in netnsfd 11
[  486.464977] Could not find netns with fd: 2000
[  486.465020] Cannot link a netdevsim to itself
[  486.465071] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).