[  449.104307] netdevsim netdevsim387 eni387np1: renamed from eth0
[  449.199202] netdevsim netdevsim563 eni563np1: renamed from eth1
[  449.425383] Could not find device with ifindex 2000 in netnsfd 11
[  449.425680] Could not find netns with fd: 2000
[  449.425783] Cannot link a netdevsim to itself
[  449.425910] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).