[  842.258636][T15789] netdevsim netdevsim388 eni388np1: renamed from eth0
[  842.266677][T15792] netdevsim netdevsim636 eni636np1: renamed from eth1
[  843.088069][T15778] Could not find device with ifindex 2000 in netnsfd 11
[  843.088755][T15778] Could not find netns with fd: 2000
[  843.089208][T15778] Cannot link a netdevsim to itself
[  843.090145][T15778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).