[ 4423.709409][T26056] gre: GRE over IPv4 demultiplexor driver
[ 4425.683219][T26079] ip_gre: GRE over IPv4 tunneling driver
[ 4460.804160][T26426] ping (26426) used greatest stack depth: 22960 bytes left
[ 4485.013174][T26651] ip6_gre: GRE over IPv6 tunneling driver
[ 4527.028600][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4532.916553][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4538.036614][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4544.245549][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!