[ 4393.457612][T20547] gre: GRE over IPv4 demultiplexor driver
[ 4395.484981][T20570] ip_gre: GRE over IPv4 tunneling driver
[ 4457.301193][T21143] ip6_gre: GRE over IPv6 tunneling driver
[ 4499.219575][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4505.042473][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4510.162468][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4516.114461][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!