[  485.327197] netdevsim netdevsim506 eni506np1: renamed from eth0
[  485.429050] netdevsim netdevsim587 eni587np1: renamed from eth1
[  485.783578] Could not find device with ifindex 2000 in netnsfd 11
[  485.783738] Could not find netns with fd: 2000
[  485.783824] Cannot link a netdevsim to itself
[  485.783938] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).