[  485.248296] netdevsim netdevsim291 eni291np1: renamed from eth0
[  485.250325] netdevsim netdevsim696 eni696np1: renamed from eth1
[  485.346845] Could not find device with ifindex 2000 in netnsfd 11
[  485.346928] Could not find netns with fd: 2000
[  485.346973] Cannot link a netdevsim to itself
[  485.347019] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).