[  798.909497][T15784] netdevsim netdevsim393 eni393np1: renamed from eth0
[  798.923582][T15787] netdevsim netdevsim581 eni581np1: renamed from eth1
[  799.517820][T15772] Could not find device with ifindex 2000 in netnsfd 11
[  799.518808][T15772] Could not find netns with fd: 2000
[  799.519462][T15772] Cannot link a netdevsim to itself
[  799.520071][T15772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).