[  481.899421] netdevsim netdevsim259 eni259np1: renamed from eth0
[  482.000916] netdevsim netdevsim659 eni659np1: renamed from eth1
[  482.341975] Could not find device with ifindex 2000 in netnsfd 11
[  482.342147] Could not find netns with fd: 2000
[  482.342237] Cannot link a netdevsim to itself
[  482.342339] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).