[  857.984768][T15860] netdevsim netdevsim306 eni306np1: renamed from eth0
[  857.996317][T15861] netdevsim netdevsim672 eni672np1: renamed from eth1
[  858.810829][T15847] Could not find device with ifindex 2000 in netnsfd 11
[  858.811545][T15847] Could not find netns with fd: 2000
[  858.812018][T15847] Cannot link a netdevsim to itself
[  858.812564][T15847] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).