[  518.817891] netdevsim netdevsim700 eni700np1: renamed from eth1
[  518.918749] netdevsim netdevsim461 eni461np1: renamed from eth0
[  519.118683] Could not find device with ifindex 2000 in netnsfd 11
[  519.118852] Could not find netns with fd: 2000
[  519.118939] Cannot link a netdevsim to itself
[  519.119042] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).