[  458.317444] netdevsim netdevsim315 eni315np1: renamed from eth0
[  458.318023] netdevsim netdevsim724 eni724np1: renamed from eth1
[  458.402612] Could not find device with ifindex 2000 in netnsfd 11
[  458.402710] Could not find netns with fd: 2000
[  458.402753] Cannot link a netdevsim to itself
[  458.402804] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).