[ 1309.854485][T12057] netdevsim netdevsim757 eni757np1: renamed from eth1
[ 1309.972123][T12059] netdevsim netdevsim474 eni474np1: renamed from eth0
[ 1313.692408][T12051] Could not find device with ifindex 2000 in netnsfd 11
[ 1313.693195][T12051] Could not find netns with fd: 2000
[ 1313.693844][T12051] Cannot link a netdevsim to itself
[ 1313.694572][T12051] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).