[  710.701525][T13060] netdevsim netdevsim396 eni396np1: renamed from eth0
[  710.723862][T13062] netdevsim netdevsim609 eni609np1: renamed from eth1
[  711.366232][T13048] Could not find device with ifindex 2000 in netnsfd 11
[  711.367126][T13048] Could not find netns with fd: 2000
[  711.367517][T13048] Cannot link a netdevsim to itself
[  711.368121][T13048] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).