[  540.950114] netdevsim netdevsim480 eni480np1: renamed from eth0
[  541.047667] netdevsim netdevsim735 eni735np1: renamed from eth1
[  541.254012] Could not find device with ifindex 2000 in netnsfd 11
[  541.254179] Could not find netns with fd: 2000
[  541.254271] Cannot link a netdevsim to itself
[  541.254371] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).