[  484.092806] netdevsim netdevsim288 eni288np1: renamed from eth0
[  484.193487] netdevsim netdevsim703 eni703np1: renamed from eth1
[  484.556099] Could not find device with ifindex 2000 in netnsfd 11
[  484.556258] Could not find netns with fd: 2000
[  484.556328] Cannot link a netdevsim to itself
[  484.556414] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).