[ 1706.135078][T13671] gre: GRE over IPv4 demultiplexer driver
[ 1706.614929][T13694] ip_gre: GRE over IPv4 tunneling driver
[ 1722.284453][T14272] ip6_gre: GRE over IPv6 tunneling driver
[ 1729.628279][T14615] ping (14615) used greatest stack depth: 23312 bytes left
[ 1732.481407][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1734.466369][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1736.321416][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1738.306370][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!