[  487.676443] netdevsim netdevsim378 eni378np1: renamed from eth0
[  487.777835] netdevsim netdevsim717 eni717np1: renamed from eth1
[  488.149817] Could not find device with ifindex 2000 in netnsfd 11
[  488.149975] Could not find netns with fd: 2000
[  488.150065] Cannot link a netdevsim to itself
[  488.150176] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).