[  524.535946] netdevsim netdevsim286 eni286np1: renamed from eth0
[  524.637606] netdevsim netdevsim712 eni712np1: renamed from eth1
[  524.993989] Could not find device with ifindex 2000 in netnsfd 11
[  524.994142] Could not find netns with fd: 2000
[  524.994217] Cannot link a netdevsim to itself
[  524.994299] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).