[  484.857272] netdevsim netdevsim709 eni709np1: renamed from eth1
[  484.958458] netdevsim netdevsim435 eni435np1: renamed from eth0
[  485.312164] Could not find device with ifindex 2000 in netnsfd 11
[  485.312304] Could not find netns with fd: 2000
[  485.312389] Cannot link a netdevsim to itself
[  485.312500] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).