[ 2573.149141][T17625] gre: GRE over IPv4 demultiplexor driver
[ 2575.266686][T17648] ip_gre: GRE over IPv4 tunneling driver
[ 2634.417159][T18219] ip6_gre: GRE over IPv6 tunneling driver
[ 2675.559806][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2681.384255][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2686.375720][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 2692.072727][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!