[  764.852740][T13085] netdevsim netdevsim306 eni306np1: renamed from eth0
[  764.870516][T13087] netdevsim netdevsim613 eni613np1: renamed from eth1
[  765.502387][T13073] Could not find device with ifindex 2000 in netnsfd 11
[  765.503234][T13073] Could not find netns with fd: 2000
[  765.503633][T13073] Cannot link a netdevsim to itself
[  765.504200][T13073] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).