[  765.185127][T14765] netdevsim netdevsim451 eni451np1: renamed from eth0
[  765.196604][T14764] netdevsim netdevsim763 eni763np1: renamed from eth1
[  765.746689][T14753] Could not find device with ifindex 2000 in netnsfd 11
[  765.747133][T14753] Could not find netns with fd: 2000
[  765.747484][T14753] Cannot link a netdevsim to itself
[  765.747870][T14753] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).