[  809.459049][T15661] netdevsim netdevsim306 eni306np1: renamed from eth0
[  809.467682][T15660] netdevsim netdevsim611 eni611np1: renamed from eth1
[  810.259582][T15649] Could not find device with ifindex 2000 in netnsfd 11
[  810.260236][T15649] Could not find netns with fd: 2000
[  810.260715][T15649] Cannot link a netdevsim to itself
[  810.261692][T15649] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).