[ 1533.013647][T22174] gre: GRE over IPv4 demultiplexer driver
[ 1533.522781][T22197] ip_gre: GRE over IPv4 tunneling driver
[ 1549.453715][T22768] ip6_gre: GRE over IPv6 tunneling driver
[ 1555.025781][T23017] ping (23017) used greatest stack depth: 22816 bytes left
[ 1559.874420][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1561.859368][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1563.714368][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1565.762381][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!