[  488.547879] netdevsim netdevsim418 eni418np1: renamed from eth0
[  488.644891] netdevsim netdevsim686 eni686np1: renamed from eth1
[  488.871321] Could not find device with ifindex 2000 in netnsfd 11
[  488.871595] Could not find netns with fd: 2000
[  488.871689] Cannot link a netdevsim to itself
[  488.871808] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).