[  767.898837][T14570] netdevsim netdevsim291 eni291np1: renamed from eth0
[  767.906480][T14571] netdevsim netdevsim562 eni562np1: renamed from eth1
[  768.459602][T14558] Could not find device with ifindex 2000 in netnsfd 11
[  768.460180][T14558] Could not find netns with fd: 2000
[  768.460629][T14558] Cannot link a netdevsim to itself
[  768.461427][T14558] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).