[  412.999757] netdevsim netdevsim464 eni464np1: renamed from eth0
[  413.100265] netdevsim netdevsim679 eni679np1: renamed from eth1
[  413.404083] Could not find device with ifindex 2000 in netnsfd 11
[  413.404215] Could not find netns with fd: 2000
[  413.404303] Cannot link a netdevsim to itself
[  413.404393] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).