[  457.218044] netdevsim netdevsim298 eni298np1: renamed from eth0
[  457.221257] netdevsim netdevsim656 eni656np1: renamed from eth1
[  457.309037] Could not find device with ifindex 2000 in netnsfd 11
[  457.309188] Could not find netns with fd: 2000
[  457.309288] Cannot link a netdevsim to itself
[  457.309399] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).