[ 1372.367751][T28369] gre: GRE over IPv4 demultiplexer driver
[ 1372.836821][T28392] ip_gre: GRE over IPv4 tunneling driver
[ 1378.462388][T28644] ping (28644) used greatest stack depth: 23520 bytes left
[ 1388.885493][T28963] ip6_gre: GRE over IPv6 tunneling driver
[ 1391.500822][   T75] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1399.421752][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1401.404756][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1403.260768][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1405.373758][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1405.903763][T29577] ip (29577) used greatest stack depth: 23512 bytes left
[ 1426.713507][T30350] ping (30350) used greatest stack depth: 23504 bytes left