[ 1026.715268][T12729] netdevsim netdevsim312 eni312np1: renamed from eth0
[ 1026.834852][T12678] netdevsim netdevsim755 eni755np1: renamed from eth1
[ 1028.691228][T12723] Could not find device with ifindex 2000 in netnsfd 11
[ 1028.692437][T12723] Could not find netns with fd: 2000
[ 1028.693095][T12723] Cannot link a netdevsim to itself
[ 1028.693865][T12723] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).