[ 1269.772188][T12779] netdevsim netdevsim271 eni271np1: renamed from eth0
[ 1269.886676][T12776] netdevsim netdevsim541 eni541np1: renamed from eth1
[ 1272.520719][T12767] Could not find device with ifindex 2000 in netnsfd 11
[ 1272.522509][T12767] Could not find netns with fd: 2000
[ 1272.523630][T12767] Cannot link a netdevsim to itself
[ 1272.524760][T12767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).