[  494.262947] netdevsim netdevsim708 eni708np1: renamed from eth1
[  494.357919] netdevsim netdevsim298 eni298np1: renamed from eth0
[  494.614708] Could not find device with ifindex 2000 in netnsfd 11
[  494.615052] Could not find netns with fd: 2000
[  494.615157] Cannot link a netdevsim to itself
[  494.615283] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).