[  454.976977] netdevsim netdevsim493 eni493np1: renamed from eth0
[  454.977614] netdevsim netdevsim671 eni671np1: renamed from eth1
[  455.084889] Could not find device with ifindex 2000 in netnsfd 11
[  455.084996] Could not find netns with fd: 2000
[  455.085042] Cannot link a netdevsim to itself
[  455.085093] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).