[  514.539746] netdevsim netdevsim443 eni443np1: renamed from eth0
[  514.637381] netdevsim netdevsim751 eni751np1: renamed from eth1
[  514.830295] Could not find device with ifindex 2000 in netnsfd 11
[  514.830463] Could not find netns with fd: 2000
[  514.830550] Cannot link a netdevsim to itself
[  514.830637] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).