[  513.543018] netdevsim netdevsim427 eni427np1: renamed from eth0
[  513.641208] netdevsim netdevsim744 eni744np1: renamed from eth1
[  513.827533] Could not find device with ifindex 2000 in netnsfd 11
[  513.827750] Could not find netns with fd: 2000
[  513.827851] Cannot link a netdevsim to itself
[  513.827963] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).