[  761.791797][T14752] netdevsim netdevsim510 eni510np1: renamed from eth0
[  761.812339][T14754] netdevsim netdevsim684 eni684np1: renamed from eth1
[  762.390592][T14740] Could not find device with ifindex 2000 in netnsfd 11
[  762.391666][T14740] Could not find netns with fd: 2000
[  762.392043][T14740] Cannot link a netdevsim to itself
[  762.392448][T14740] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).