[ 1494.965772][T16252] gre: GRE over IPv4 demultiplexer driver
[ 1495.425563][T16275] ip_gre: GRE over IPv4 tunneling driver
[ 1510.780629][T16849] ip6_gre: GRE over IPv6 tunneling driver
[ 1520.895845][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1522.880812][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1524.736808][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1526.719814][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!