[  480.384502] netdevsim netdevsim279 eni279np1: renamed from eth0
[  480.486651] netdevsim netdevsim677 eni677np1: renamed from eth1
[  480.852409] Could not find device with ifindex 2000 in netnsfd 11
[  480.852592] Could not find netns with fd: 2000
[  480.852703] Cannot link a netdevsim to itself
[  480.852834] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).