[  488.175797] netdevsim netdevsim525 eni525np1: renamed from eth1
[  488.272536] netdevsim netdevsim279 eni279np1: renamed from eth0
[  488.476729] Could not find device with ifindex 2000 in netnsfd 11
[  488.477093] Could not find netns with fd: 2000
[  488.477198] Cannot link a netdevsim to itself
[  488.477307] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).