[ 1327.379796][T12851] netdevsim netdevsim471 eni471np1: renamed from eth0
[ 1327.527610][T12850] netdevsim netdevsim749 eni749np1: renamed from eth1
[ 1330.346091][T12838] Could not find device with ifindex 2000 in netnsfd 11
[ 1330.349528][T12838] Could not find netns with fd: 2000
[ 1330.350569][T12838] Cannot link a netdevsim to itself
[ 1330.351827][T12838] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).