[ 1222.803017][T11148] netdevsim netdevsim546 eni546np1: renamed from eth1
[ 1222.814129][T11149] netdevsim netdevsim315 eni315np1: renamed from eth0
[ 1226.113449][T11141] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.114250][T11141] Could not find netns with fd: 2000
[ 1226.114823][T11141] Cannot link a netdevsim to itself
[ 1226.115783][T11141] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).