[  514.560549] netdevsim netdevsim758 eni758np1: renamed from eth1
[  514.658113] netdevsim netdevsim289 eni289np1: renamed from eth0
[  514.859136] Could not find device with ifindex 2000 in netnsfd 11
[  514.859334] Could not find netns with fd: 2000
[  514.859418] Cannot link a netdevsim to itself
[  514.859516] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).