[  522.969791] netdevsim netdevsim734 eni734np1: renamed from eth1
[  523.067573] netdevsim netdevsim288 eni288np1: renamed from eth0
[  523.279440] Could not find device with ifindex 2000 in netnsfd 11
[  523.279625] Could not find netns with fd: 2000
[  523.279708] Cannot link a netdevsim to itself
[  523.279821] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).