[  474.583310] netdevsim netdevsim392 eni392np1: renamed from eth0
[  474.584094] netdevsim netdevsim553 eni553np1: renamed from eth0
[  474.667517] Could not find device with ifindex 2000 in netnsfd 11
[  474.667601] Could not find netns with fd: 2000
[  474.667701] Cannot link a netdevsim to itself
[  474.667762] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).