[  484.838742] netdevsim netdevsim312 eni312np1: renamed from eth0
[  484.840046] netdevsim netdevsim739 eni739np1: renamed from eth1
[  485.206183] Could not find device with ifindex 2000 in netnsfd 11
[  485.206341] Could not find netns with fd: 2000
[  485.206423] Cannot link a netdevsim to itself
[  485.206533] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).