[  488.694736] netdevsim netdevsim316 eni316np1: renamed from eth0
[  488.796312] netdevsim netdevsim744 eni744np1: renamed from eth1
[  489.149900] Could not find device with ifindex 2000 in netnsfd 11
[  489.150061] Could not find netns with fd: 2000
[  489.150160] Cannot link a netdevsim to itself
[  489.150282] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).