[  510.527402] netdevsim netdevsim474 eni474np1: renamed from eth0
[  510.625680] netdevsim netdevsim678 eni678np1: renamed from eth1
[  510.810585] Could not find device with ifindex 2000 in netnsfd 11
[  510.810730] Could not find netns with fd: 2000
[  510.810801] Cannot link a netdevsim to itself
[  510.810889] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).