[  516.457974] netdevsim netdevsim286 eni286np1: renamed from eth0
[  516.555732] netdevsim netdevsim706 eni706np1: renamed from eth1
[  516.758093] Could not find device with ifindex 2000 in netnsfd 11
[  516.758268] Could not find netns with fd: 2000
[  516.758356] Cannot link a netdevsim to itself
[  516.758458] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).