[  485.073762] netdevsim netdevsim259 eni259np1: renamed from eth0
[  485.074655] netdevsim netdevsim613 eni613np1: renamed from eth1
[  485.162365] Could not find device with ifindex 2000 in netnsfd 11
[  485.162462] Could not find netns with fd: 2000
[  485.162506] Cannot link a netdevsim to itself
[  485.162576] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).