[ 1520.332541][T31174] gre: GRE over IPv4 demultiplexer driver
[ 1520.811980][T31197] ip_gre: GRE over IPv4 tunneling driver
[ 1537.216301][T31776] ip6_gre: GRE over IPv6 tunneling driver
[ 1537.754580][ T8533] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1543.145500][T31447] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 1548.067458][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1550.115463][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1552.034467][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1554.083468][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!