[  761.364981][T13106] netdevsim netdevsim301 eni301np1: renamed from eth0
[  761.386311][T13108] netdevsim netdevsim683 eni683np1: renamed from eth1
[  762.190114][T13094] Could not find device with ifindex 2000 in netnsfd 11
[  762.191532][T13094] Could not find netns with fd: 2000
[  762.192185][T13094] Cannot link a netdevsim to itself
[  762.192973][T13094] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).