[  483.690107] netdevsim netdevsim371 eni371np1: renamed from eth0
[  483.690568] netdevsim netdevsim755 eni755np1: renamed from eth1
[  483.774649] Could not find device with ifindex 2000 in netnsfd 11
[  483.774790] Could not find netns with fd: 2000
[  483.774899] Cannot link a netdevsim to itself
[  483.775015] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).