[ 1061.535969][T12580] netdevsim netdevsim272 eni272np1: renamed from eth0
[ 1061.654537][T12577] netdevsim netdevsim580 eni580np1: renamed from eth1
[ 1063.369723][T12572] Could not find device with ifindex 2000 in netnsfd 11
[ 1063.370625][T12572] Could not find netns with fd: 2000
[ 1063.371361][T12572] Cannot link a netdevsim to itself
[ 1063.372121][T12572] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).