[ 1040.769814][T12480] netdevsim netdevsim546 eni546np1: renamed from eth1
[ 1040.898520][T12481] netdevsim netdevsim465 eni465np1: renamed from eth0
[ 1042.763666][T12473] Could not find device with ifindex 2000 in netnsfd 11
[ 1042.764635][T12473] Could not find netns with fd: 2000
[ 1042.765362][T12473] Cannot link a netdevsim to itself
[ 1042.766174][T12473] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).