[ 4324.110347][T21526] gre: GRE over IPv4 demultiplexor driver
[ 4326.173810][T21550] ip_gre: GRE over IPv4 tunneling driver
[ 4387.650193][T22123] ip6_gre: GRE over IPv6 tunneling driver
[ 4430.134484][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4436.405421][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4441.526407][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4447.413407][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!