[  522.232189] netdevsim netdevsim388 eni388np1: renamed from eth0
[  522.330415] netdevsim netdevsim696 eni696np1: renamed from eth1
[  522.597408] Could not find device with ifindex 2000 in netnsfd 11
[  522.597637] Could not find netns with fd: 2000
[  522.597730] Cannot link a netdevsim to itself
[  522.597841] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).