[  763.799578][T14735] netdevsim netdevsim393 eni393np1: renamed from eth0
[  763.813568][T14737] netdevsim netdevsim542 eni542np1: renamed from eth1
[  764.403372][T14723] Could not find device with ifindex 2000 in netnsfd 11
[  764.403905][T14723] Could not find netns with fd: 2000
[  764.404253][T14723] Cannot link a netdevsim to itself
[  764.404688][T14723] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).