[  806.423486][T14470] netdevsim netdevsim396 eni396np1: renamed from eth0
[  806.436170][T14472] netdevsim netdevsim522 eni522np1: renamed from eth1
[  807.049252][T14458] Could not find device with ifindex 2000 in netnsfd 11
[  807.049857][T14458] Could not find netns with fd: 2000
[  807.050316][T14458] Cannot link a netdevsim to itself
[  807.050859][T14458] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).