[  832.618073][T15709] netdevsim netdevsim297 eni297np1: renamed from eth0
[  832.634723][T15710] netdevsim netdevsim642 eni642np1: renamed from eth1
[  833.439806][T15698] Could not find device with ifindex 2000 in netnsfd 11
[  833.440549][T15698] Could not find netns with fd: 2000
[  833.441051][T15698] Cannot link a netdevsim to itself
[  833.441590][T15698] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).