[  759.509038][T14600] netdevsim netdevsim378 eni378np1: renamed from eth0
[  759.533530][T14602] netdevsim netdevsim720 eni720np1: renamed from eth1
[  760.101304][T14588] Could not find device with ifindex 2000 in netnsfd 11
[  760.101968][T14588] Could not find netns with fd: 2000
[  760.102559][T14588] Cannot link a netdevsim to itself
[  760.103850][T14588] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).