[  800.468543][T14681] netdevsim netdevsim459 eni459np1: renamed from eth0
[  800.482081][T14683] netdevsim netdevsim649 eni649np1: renamed from eth1
[  801.092671][T14669] Could not find device with ifindex 2000 in netnsfd 11
[  801.093534][T14669] Could not find netns with fd: 2000
[  801.094017][T14669] Cannot link a netdevsim to itself
[  801.094539][T14669] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).