[  788.685116][T14428] netdevsim netdevsim388 eni388np1: renamed from eth0
[  788.692997][T14430] netdevsim netdevsim642 eni642np1: renamed from eth1
[  789.428315][T14416] Could not find device with ifindex 2000 in netnsfd 11
[  789.429190][T14416] Could not find netns with fd: 2000
[  789.429795][T14416] Cannot link a netdevsim to itself
[  789.430335][T14416] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).