[ 4450.758254][T26148] gre: GRE over IPv4 demultiplexor driver
[ 4452.910774][T26172] ip_gre: GRE over IPv4 tunneling driver
[ 4515.032178][T26750] ip6_gre: GRE over IPv6 tunneling driver
[ 4558.014755][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4563.838663][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4568.830652][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4574.782659][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4666.174781][T28131] ping (28131) used greatest stack depth: 22480 bytes left