[ 1014.443709][T12064] netdevsim netdevsim260 eni260np1: renamed from eth0
[ 1014.541595][T12129] netdevsim netdevsim731 eni731np1: renamed from eth1
[ 1016.325497][T12450] Could not find device with ifindex 2000 in netnsfd 11
[ 1016.326497][T12450] Could not find netns with fd: 2000
[ 1016.327152][T12450] Cannot link a netdevsim to itself
[ 1016.327985][T12450] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).