[  494.225027] netdevsim netdevsim617 eni617np1: renamed from eth1
[  494.321311] netdevsim netdevsim483 eni483np1: renamed from eth0
[  494.574474] Could not find device with ifindex 2000 in netnsfd 11
[  494.574807] Could not find netns with fd: 2000
[  494.574888] Cannot link a netdevsim to itself
[  494.574975] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).