[  514.841599] netdevsim netdevsim279 eni279np1: renamed from eth0
[  514.939068] netdevsim netdevsim557 eni557np1: renamed from eth1
[  515.162107] Could not find device with ifindex 2000 in netnsfd 11
[  515.162370] Could not find netns with fd: 2000
[  515.162474] Cannot link a netdevsim to itself
[  515.162599] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).