[  474.701431] netdevsim netdevsim392 eni392np1: renamed from eth0
[  474.702107] netdevsim netdevsim743 eni743np1: renamed from eth1
[  474.791748] Could not find device with ifindex 2000 in netnsfd 11
[  474.791916] Could not find netns with fd: 2000
[  474.792039] Cannot link a netdevsim to itself
[  474.792192] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).