[  571.545712] netdevsim netdevsim335 eni335np1: renamed from eth0
[  571.644383] netdevsim netdevsim597 eni597np1: renamed from eth1
[  571.851553] Could not find device with ifindex 2000 in netnsfd 11
[  571.851726] Could not find netns with fd: 2000
[  571.851797] Cannot link a netdevsim to itself
[  571.851884] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).