[  816.709460][T15774] netdevsim netdevsim448 eni448np1: renamed from eth0
[  816.723235][T15776] netdevsim netdevsim632 eni632np1: renamed from eth1
[  817.389575][T15762] Could not find device with ifindex 2000 in netnsfd 11
[  817.390550][T15762] Could not find netns with fd: 2000
[  817.391107][T15762] Cannot link a netdevsim to itself
[  817.391682][T15762] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).