[  483.246798] netdevsim netdevsim386 eni386np1: renamed from eth0
[  483.247357] netdevsim netdevsim677 eni677np1: renamed from eth1
[  483.337008] Could not find device with ifindex 2000 in netnsfd 11
[  483.337132] Could not find netns with fd: 2000
[  483.337237] Cannot link a netdevsim to itself
[  483.337353] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).