[  484.388725] netdevsim netdevsim334 eni334np1: renamed from eth0
[  484.489763] netdevsim netdevsim599 eni599np1: renamed from eth1
[  484.840466] Could not find device with ifindex 2000 in netnsfd 11
[  484.840642] Could not find netns with fd: 2000
[  484.840750] Cannot link a netdevsim to itself
[  484.840870] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).