[  812.647168][T14759] netdevsim netdevsim396 eni396np1: renamed from eth0
[  812.660885][T14761] netdevsim netdevsim530 eni530np1: renamed from eth1
[  813.300959][T14747] Could not find device with ifindex 2000 in netnsfd 11
[  813.301920][T14747] Could not find netns with fd: 2000
[  813.302424][T14747] Cannot link a netdevsim to itself
[  813.302967][T14747] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).