[ 1229.936812][T11139] netdevsim netdevsim256 eni256np1: renamed from eth0
[ 1230.036254][T11137] netdevsim netdevsim675 eni675np1: renamed from eth1
[ 1233.276765][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.277450][T11131] Could not find netns with fd: 2000
[ 1233.277965][T11131] Cannot link a netdevsim to itself
[ 1233.278685][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).