[  487.865405] netdevsim netdevsim441 eni441np1: renamed from eth0
[  487.966896] netdevsim netdevsim740 eni740np1: renamed from eth1
[  488.346857] Could not find device with ifindex 2000 in netnsfd 11
[  488.347011] Could not find netns with fd: 2000
[  488.347098] Cannot link a netdevsim to itself
[  488.347218] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).