[  516.578136] netdevsim netdevsim548 eni548np1: renamed from eth1
[  516.676604] netdevsim netdevsim511 eni511np1: renamed from eth0
[  516.901502] Could not find device with ifindex 2000 in netnsfd 11
[  516.901670] Could not find netns with fd: 2000
[  516.901748] Cannot link a netdevsim to itself
[  516.901856] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).