[  768.253787][T14556] netdevsim netdevsim376 eni376np1: renamed from eth0
[  768.272571][T14555] netdevsim netdevsim556 eni556np1: renamed from eth1
[  768.839276][T14544] Could not find device with ifindex 2000 in netnsfd 11
[  768.840192][T14544] Could not find netns with fd: 2000
[  768.840688][T14544] Cannot link a netdevsim to itself
[  768.841253][T14544] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).