[ 4434.122734][T26223] gre: GRE over IPv4 demultiplexor driver
[ 4436.128255][T26247] ip_gre: GRE over IPv4 tunneling driver
[ 4496.065460][T26819] ip6_gre: GRE over IPv6 tunneling driver
[ 4503.241700][T26881] ping (26881) used greatest stack depth: 23008 bytes left
[ 4537.658034][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4543.417981][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4548.345948][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4554.041978][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!