[  473.756114] netdevsim netdevsim354 eni354np1: renamed from eth0
[  473.756571] netdevsim netdevsim601 eni601np1: renamed from eth1
[  473.838911] Could not find device with ifindex 2000 in netnsfd 11
[  473.838997] Could not find netns with fd: 2000
[  473.839041] Cannot link a netdevsim to itself
[  473.839092] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).