[ 1235.290541][T11147] netdevsim netdevsim700 eni700np1: renamed from eth1
[ 1235.386678][T11149] netdevsim netdevsim447 eni447np1: renamed from eth0
[ 1238.775373][T11141] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.776073][T11141] Could not find netns with fd: 2000
[ 1238.776632][T11141] Cannot link a netdevsim to itself
[ 1238.777535][T11141] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).