[  484.581701] netdevsim netdevsim335 eni335np1: renamed from eth0
[  484.682596] netdevsim netdevsim673 eni673np1: renamed from eth1
[  485.055120] Could not find device with ifindex 2000 in netnsfd 11
[  485.055264] Could not find netns with fd: 2000
[  485.055352] Cannot link a netdevsim to itself
[  485.055456] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).