[  497.821409] netdevsim netdevsim286 eni286np1: renamed from eth0
[  497.916873] netdevsim netdevsim707 eni707np1: renamed from eth1
[  498.172967] Could not find device with ifindex 2000 in netnsfd 11
[  498.173370] Could not find netns with fd: 2000
[  498.173484] Cannot link a netdevsim to itself
[  498.173661] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).