[  487.854443] netdevsim netdevsim414 eni414np1: renamed from eth0
[  487.951395] netdevsim netdevsim677 eni677np1: renamed from eth1
[  488.154786] Could not find device with ifindex 2000 in netnsfd 11
[  488.155143] Could not find netns with fd: 2000
[  488.155235] Cannot link a netdevsim to itself
[  488.155330] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).