[  484.894569] netdevsim netdevsim759 eni759np1: renamed from eth1
[  484.990903] netdevsim netdevsim502 eni502np1: renamed from eth0
[  485.176079] Could not find device with ifindex 2000 in netnsfd 11
[  485.176404] Could not find netns with fd: 2000
[  485.176495] Cannot link a netdevsim to itself
[  485.176605] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).