[  474.214062] netdevsim netdevsim328 eni328np1: renamed from eth0
[  474.214284] netdevsim netdevsim631 eni631np1: renamed from eth1
[  474.293080] Could not find device with ifindex 2000 in netnsfd 11
[  474.293165] Could not find netns with fd: 2000
[  474.293209] Cannot link a netdevsim to itself
[  474.293259] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).