[  763.049793][T14552] netdevsim netdevsim346 eni346np1: renamed from eth0
[  763.059033][T14554] netdevsim netdevsim743 eni743np1: renamed from eth1
[  763.635808][T14540] Could not find device with ifindex 2000 in netnsfd 11
[  763.636432][T14540] Could not find netns with fd: 2000
[  763.636913][T14540] Cannot link a netdevsim to itself
[  763.637437][T14540] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).