[ 4676.076998][T24485] gre: GRE over IPv4 demultiplexor driver
[ 4678.262106][T24509] ip_gre: GRE over IPv4 tunneling driver
[ 4707.545727][T24762] ping (24762) used greatest stack depth: 23904 bytes left
[ 4744.451200][T25082] ip6_gre: GRE over IPv6 tunneling driver
[ 4773.806604][T25332] ping (25332) used greatest stack depth: 23328 bytes left
[ 4790.781518][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4797.245475][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4802.686427][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4809.085490][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4905.447476][T26469] ping (26469) used greatest stack depth: 22032 bytes left