[ 1300.537151][T12845] netdevsim netdevsim739 eni739np1: renamed from eth1
[ 1300.604550][T12848] netdevsim netdevsim301 eni301np1: renamed from eth0
[ 1303.025549][T12836] Could not find device with ifindex 2000 in netnsfd 11
[ 1303.027752][T12836] Could not find netns with fd: 2000
[ 1303.028791][T12836] Cannot link a netdevsim to itself
[ 1303.029883][T12836] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).