[  842.315792][T14839] netdevsim netdevsim462 eni462np1: renamed from eth0
[  842.328430][T14841] netdevsim netdevsim724 eni724np1: renamed from eth1
[  843.096528][T14827] Could not find device with ifindex 2000 in netnsfd 11
[  843.097091][T14827] Could not find netns with fd: 2000
[  843.097521][T14827] Cannot link a netdevsim to itself
[  843.097958][T14827] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).