[  957.190453][T12135] netdevsim netdevsim664 eni664np1: renamed from eth1
[  957.193674][T12143] netdevsim netdevsim291 eni291np1: renamed from eth0
[  958.789496][T12468] Could not find device with ifindex 2000 in netnsfd 11
[  958.790270][T12468] Could not find netns with fd: 2000
[  958.790785][T12468] Cannot link a netdevsim to itself
[  958.791465][T12468] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).