[  483.697731] netdevsim netdevsim744 eni744np1: renamed from eth1
[  483.797878] netdevsim netdevsim480 eni480np1: renamed from eth0
[  484.130639] Could not find device with ifindex 2000 in netnsfd 11
[  484.130776] Could not find netns with fd: 2000
[  484.130870] Cannot link a netdevsim to itself
[  484.130964] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).