[  485.314835] netdevsim netdevsim387 eni387np1: renamed from eth0
[  485.416755] netdevsim netdevsim524 eni524np1: renamed from eth1
[  485.751461] Could not find device with ifindex 2000 in netnsfd 11
[  485.751603] Could not find netns with fd: 2000
[  485.751683] Cannot link a netdevsim to itself
[  485.751782] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).