[ 4420.582840][T22401] gre: GRE over IPv4 demultiplexor driver
[ 4422.693581][T22424] ip_gre: GRE over IPv4 tunneling driver
[ 4485.109918][T22997] ip6_gre: GRE over IPv6 tunneling driver
[ 4527.994443][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4534.074350][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4539.066344][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4545.082361][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!