[  838.295720][T15647] netdevsim netdevsim425 eni425np1: renamed from eth0
[  838.316887][T15646] netdevsim netdevsim636 eni636np1: renamed from eth1
[  839.092551][T15635] Could not find device with ifindex 2000 in netnsfd 11
[  839.093112][T15635] Could not find netns with fd: 2000
[  839.093503][T15635] Cannot link a netdevsim to itself
[  839.093933][T15635] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).