[  459.128358] netdevsim netdevsim493 eni493np1: renamed from eth0
[  459.128960] netdevsim netdevsim597 eni597np1: renamed from eth1
[  459.213942] Could not find device with ifindex 2000 in netnsfd 11
[  459.214052] Could not find netns with fd: 2000
[  459.214098] Cannot link a netdevsim to itself
[  459.214150] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).