[ 3921.070292][T20287] gre: GRE over IPv4 demultiplexor driver
[ 3923.255030][T20311] ip_gre: GRE over IPv4 tunneling driver
[ 3985.430321][T20884] ip6_gre: GRE over IPv6 tunneling driver
[ 4029.957699][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4036.229587][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4041.349594][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4047.493575][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!