[  819.047286][T15826] netdevsim netdevsim338 eni338np1: renamed from eth0
[  819.067787][T15829] netdevsim netdevsim547 eni547np1: renamed from eth1
[  819.713680][T15815] Could not find device with ifindex 2000 in netnsfd 11
[  819.714496][T15815] Could not find netns with fd: 2000
[  819.715543][T15815] Cannot link a netdevsim to itself
[  819.716402][T15815] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).