[  523.288796] netdevsim netdevsim692 eni692np1: renamed from eth1
[  523.386364] netdevsim netdevsim431 eni431np1: renamed from eth0
[  523.611591] Could not find device with ifindex 2000 in netnsfd 11
[  523.611825] Could not find netns with fd: 2000
[  523.611928] Cannot link a netdevsim to itself
[  523.612042] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).