[  518.713749] netdevsim netdevsim712 eni712np1: renamed from eth1
[  518.810712] netdevsim netdevsim341 eni341np1: renamed from eth0
[  519.037609] Could not find device with ifindex 2000 in netnsfd 11
[  519.037791] Could not find netns with fd: 2000
[  519.037891] Cannot link a netdevsim to itself
[  519.038023] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).