[  485.639172] netdevsim netdevsim290 eni290np1: renamed from eth0
[  485.740149] netdevsim netdevsim626 eni626np1: renamed from eth1
[  486.072441] Could not find device with ifindex 2000 in netnsfd 11
[  486.072593] Could not find netns with fd: 2000
[  486.072687] Cannot link a netdevsim to itself
[  486.072846] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).