[  510.289877] netdevsim netdevsim357 eni357np1: renamed from eth0
[  510.387501] netdevsim netdevsim611 eni611np1: renamed from eth1
[  510.600935] Could not find device with ifindex 2000 in netnsfd 11
[  510.601170] Could not find netns with fd: 2000
[  510.601285] Cannot link a netdevsim to itself
[  510.601435] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).