[  473.759031] netdevsim netdevsim387 eni387np1: renamed from eth0
[  473.759448] netdevsim netdevsim626 eni626np1: renamed from eth1
[  473.837816] Could not find device with ifindex 2000 in netnsfd 11
[  473.837898] Could not find netns with fd: 2000
[  473.837944] Cannot link a netdevsim to itself
[  473.838002] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).