[  508.629377] netdevsim netdevsim651 eni651np1: renamed from eth1
[  508.725821] netdevsim netdevsim413 eni413np1: renamed from eth0
[  508.955538] Could not find device with ifindex 2000 in netnsfd 11
[  508.955748] Could not find netns with fd: 2000
[  508.955855] Cannot link a netdevsim to itself
[  508.955977] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).