[ 4436.810342][T22371] gre: GRE over IPv4 demultiplexor driver
[ 4438.820894][T22394] ip_gre: GRE over IPv4 tunneling driver
[ 4498.668186][T22967] ip6_gre: GRE over IPv6 tunneling driver
[ 4540.152599][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4545.975539][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4550.903533][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4556.855532][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4653.696755][T24441] ping (24441) used greatest stack depth: 21936 bytes left