[  819.772772][T14762] netdevsim netdevsim425 eni425np1: renamed from eth0
[  819.792943][T14764] netdevsim netdevsim684 eni684np1: renamed from eth1
[  820.444129][T14750] Could not find device with ifindex 2000 in netnsfd 11
[  820.444975][T14750] Could not find netns with fd: 2000
[  820.445388][T14750] Cannot link a netdevsim to itself
[  820.445835][T14750] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).