[  478.597600] netdevsim netdevsim314 eni314np1: renamed from eth0
[  478.598492] netdevsim netdevsim676 eni676np1: renamed from eth1
[  478.694009] Could not find device with ifindex 2000 in netnsfd 11
[  478.694157] Could not find netns with fd: 2000
[  478.694257] Cannot link a netdevsim to itself
[  478.694369] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).