[  810.056572][T15721] netdevsim netdevsim290 eni290np1: renamed from eth0
[  810.062831][T15722] netdevsim netdevsim667 eni667np1: renamed from eth1
[  810.695265][T15709] Could not find device with ifindex 2000 in netnsfd 11
[  810.696051][T15709] Could not find netns with fd: 2000
[  810.696663][T15709] Cannot link a netdevsim to itself
[  810.697316][T15709] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).