[  720.710209][T13044] netdevsim netdevsim288 eni288np1: renamed from eth0
[  720.734268][T13047] netdevsim netdevsim662 eni662np1: renamed from eth1
[  721.374948][T13032] Could not find device with ifindex 2000 in netnsfd 11
[  721.375807][T13032] Could not find netns with fd: 2000
[  721.376229][T13032] Cannot link a netdevsim to itself
[  721.376690][T13032] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).