[  480.080194] netdevsim netdevsim310 eni310np1: renamed from eth0
[  480.180716] netdevsim netdevsim652 eni652np1: renamed from eth1
[  480.524068] Could not find device with ifindex 2000 in netnsfd 11
[  480.524193] Could not find netns with fd: 2000
[  480.524285] Cannot link a netdevsim to itself
[  480.524365] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).