[  485.026143] netdevsim netdevsim392 eni392np1: renamed from eth0
[  485.127220] netdevsim netdevsim563 eni563np1: renamed from eth1
[  485.465468] Could not find device with ifindex 2000 in netnsfd 11
[  485.465612] Could not find netns with fd: 2000
[  485.465686] Cannot link a netdevsim to itself
[  485.465764] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).