[ 1654.335276][T31769] gre: GRE over IPv4 demultiplexer driver
[ 1654.838445][T31793] ip_gre: GRE over IPv4 tunneling driver
[ 1671.504830][T32366] ip6_gre: GRE over IPv6 tunneling driver
[ 1678.378958][T32660] ping (32660) used greatest stack depth: 22992 bytes left
[ 1682.445467][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1684.557421][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1686.477419][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1688.588417][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!