[  778.880060][T14578] netdevsim netdevsim291 eni291np1: renamed from eth0
[  778.900780][T14580] netdevsim netdevsim587 eni587np1: renamed from eth1
[  779.505695][T14566] Could not find device with ifindex 2000 in netnsfd 11
[  779.506229][T14566] Could not find netns with fd: 2000
[  779.506625][T14566] Cannot link a netdevsim to itself
[  779.507085][T14566] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).