[  488.611109] netdevsim netdevsim560 eni560np1: renamed from eth1
[  488.707275] netdevsim netdevsim433 eni433np1: renamed from eth0
[  488.943840] Could not find device with ifindex 2000 in netnsfd 11
[  488.944186] Could not find netns with fd: 2000
[  488.944323] Cannot link a netdevsim to itself
[  488.944474] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).