[  485.611304] netdevsim netdevsim485 eni485np1: renamed from eth0
[  485.611810] netdevsim netdevsim548 eni548np1: renamed from eth1
[  485.703613] Could not find device with ifindex 2000 in netnsfd 11
[  485.703757] Could not find netns with fd: 2000
[  485.703859] Cannot link a netdevsim to itself
[  485.704024] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).