[  766.542482][T14565] netdevsim netdevsim311 eni311np1: renamed from eth0
[  766.549260][T14567] netdevsim netdevsim573 eni573np1: renamed from eth1
[  767.139811][T14553] Could not find device with ifindex 2000 in netnsfd 11
[  767.140433][T14553] Could not find netns with fd: 2000
[  767.140952][T14553] Cannot link a netdevsim to itself
[  767.141476][T14553] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).