[ 1200.459857][T12609] netdevsim netdevsim263 eni263np1: renamed from eth0
[ 1200.564917][T12606] netdevsim netdevsim635 eni635np1: renamed from eth1
[ 1203.242037][T12602] Could not find device with ifindex 2000 in netnsfd 11
[ 1203.243472][T12602] Could not find netns with fd: 2000
[ 1203.244442][T12602] Cannot link a netdevsim to itself
[ 1203.245545][T12602] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).