[  485.011202] netdevsim netdevsim331 eni331np1: renamed from eth0
[  485.011612] netdevsim netdevsim580 eni580np1: renamed from eth1
[  485.107194] Could not find device with ifindex 2000 in netnsfd 11
[  485.107294] Could not find netns with fd: 2000
[  485.107333] Cannot link a netdevsim to itself
[  485.107385] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).