[ 1224.568369][T11300] netdevsim netdevsim437 eni437np1: renamed from eth0
[ 1224.627409][T11299] netdevsim netdevsim583 eni583np1: renamed from eth1
[ 1228.061668][T11292] Could not find device with ifindex 2000 in netnsfd 11
[ 1228.062417][T11292] Could not find netns with fd: 2000
[ 1228.063020][T11292] Cannot link a netdevsim to itself
[ 1228.063676][T11292] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).